Answer:
I hope everything gets better
Explanation:
Answer:
I hope you are better now
Ill mark brainleist please helppp
Answer:
rusting, cooking and burning wood
Which describes an atom that has fewer neutrons than protons and more electrons than protons?
0negative compound
0positive compound
0positive ion
0negative ion
Answer:
Option d is correct = Negative ion
Explanation:
We know that an atom consist of electrons, protons and neutrons. Neutrons and protons are present inside the nucleus while electrons are present out side the nucleus. Electron has a negative charge and is written as e⁻. The mass of electron is 9.10938356×10⁻³¹ Kg . While mass of proton and neutron is 1.672623×10⁻²⁷Kg and 1.674929×10⁻²⁷ Kg respectively.
Symbol of proton= P⁺
Symbol of neutron= n⁰
The number of electron or number of protons are called atomic number while mass number of an atom is sum of protons and neutrons. The umber of protons and electrons are always equal to make the atom electrically neutral and when an atom loses its valance electron the number of protons increases and thus positive charge increased and atom form cation.
When an atom gain electron negative charge increase because of more number of electron thus atom form negative ion or anion. For example,
Anion formation:
X + e⁻ → X⁻
Cation formation:
X → X⁺ + e⁻
Thus option d is correct option.
Summarize the meaning of the term activation energy.
Answer:
Activation energy, in chemistry, the minimum amount of energy that is required to activate atoms or molecules to a condition in which they can undergo chemical transformation or physical transport.
Explanation:
How do ions form?please
i have a question, what does a man have to do to get the love of his life.
A man have to get their friend bond with someone they like a lot closer. Then, if the man is ready to confess his feeling, try buying his love of his life their favorite flower or favorite candy/food.
hope this help-(even though im a girl ;v;)
PLEAZE HELP!!!
Calculate the volume of a liquid with a density of 5.35 g/mL and a mass of 62.0 g.
Answer to the proper significant figures and include the proper unit.
My answer was 11.6 mL, but it was wrong.
Answer:
V= 12mL
Explanation:
you had the right idea with your Significant figures however, when we divide we see that it requires 2 significant figures as our least amount. this is because when looking at our division, 62 has 2 sig. fig. while 5.35 has a total 3. when looking at your answer we see that you had a total of 3 sig. figures. so in actuakity you had to round up to 12 and not to the tenths because the decimal makes .6 count as your third sig fig.
A cell is a system
True
False
Answer: True
Explanation:
Tissues perform functions that are specializations of the normal function of individual cells.
Answer:
true
Explanation:
A manufacturing plant is built on the bank of the Mississippi River. Water is
diverted into the plant to use in the making of a product and is then piped back
into the river. If the water that is released back into the river is contaminated,
what is this form of pollution called?
An LED lightbulb has an energy efficiency of 89%. This means that 11% of the electrical energy that goes into an incandescent lightbulb is used to produce light energy.
Which statement best explains what happens to the other 11% of the electrical energy that goes into the lightbulb?
The leftover electrical energy is destroyed
The leftover electrical energy is transferred into heat energy
The leftover electrical energy is transferred into chemical energy
The leftover electrical energy is transferred into potential energy
Answer:
The leftover electrical energy is transferred into potential energy.
Explanation:
I'm pretty sure this is the right answer or The leftover electrical energy is transferred into chemical energy
Explanation:
Answer:
The left over energy turns into potential energy:))
Explanation:
What do you do if your friends hate you ex that you secretly dating again and you promised not to date him again but you i love him?
Answer:
this is what I personally feel.
Explanation:
it depends on ex . If he is a a hole ,not trustworthy, or is a negitive person,Then yeah i understand what they are coming from. Another is that is also on your end. if you keep going back to a person that is on you . if he isnt treating you right, then listen to them !! . Youll find someone that knows your worth :) . I hope this helped . have a nice day <3
(a) If only P-waves are recorded on the opposite side of the object, does the object have a solid or liquid interior?
Answer:
liquid
Explanation:
If there are no s-waves, the interior must be liquid, where s-waves cannot travel.
which combination of atoms will form a molecule but not a compound?
A).OXYGEN AND HYDROGEN
B).HYDROGEN AND CARBEN
C).OXYGEN AND OXYGEN
D).CARBEN AND OXYGEN
HELP ME PLZ IM SO CONFUSED IVE GOOGLED AND EVREYTHING HELP!!1
Answer:
A OXYGEN AND HYDROGEN
Explanation:
Please help I don't understand this-
Answer:
im sorry i think i know the answer but i dont want you to get it wrong
Explanation:
Answer:its C
Explanation:
bc were learning bout rn n we lagit just went over this
Which two terms? i will mark brainlist
Answer:
I believe it's qualitative and continuous.
Explanation:
Answer:
Continuous, and Quantitative
Hope this helps :)
According to dimensional analysis, which of the following is the correct set-up
for the problem "How many milligrams are there in 67 kiolgrams?"
1 mg
a) 67 kg x
1 g
10 kg
10 g
108
b) 67 kg x
1
mg
X
1 kg
10 g
10² mg
(102
c) 67 kg x
g
7
1 kg
1 mg
10-3 kg
1 mg
d) 67 kg x
х
10 kg
A a
Bb
C C
Answer:
67 kg = 67 kg × 1×10⁶ mg / 1 kg
67 kg = 6.7×10⁷ mg.
Explanation:
The following data were obtained from the question:
Mass in Kg = 67 kg
Mass in mg =.?
Thus, we can obtain the mass in milligrams (mg) as follow:
1 kg = 1×10⁶ mg
Therefore,
67 kg = 67 kg × 1×10⁶ mg / 1 kg
67 kg = 6.7×10⁷ mg
Therefore, 67 kg is equivalent to 6.7×10⁷ mg
What is the molecular geometry of PBr3? A. trigonal pyramidal B. trigonal planar C. linear D....
The geometry of PBr₃ is trigonal pyramidal. Therefore, option A is correct.
Trigonal pyramidal geometry refers to the molecular geometry around a central atom in a molecule or ion where there are three bonded atoms and one lone pair of electrons. This geometry is commonly found in molecules with a central atom surrounded by three bonding pairs and one non-bonding pair of electrons.
The term "trigonal" refers to the arrangement of the three bonding pairs, which are positioned in a flat, triangular shape around the central atom. The term "pyramidal" indicates that the lone pair of electrons occupies the fourth position, giving the molecule a three-dimensional pyramid-like shape.
Learn more about trigonal pyramidal geometry, here:
https://brainly.com/question/29753855
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help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help
Answer:
A
Explanation:
i think
When does the shape of a molecule affect its polarity?
A. When the molecule contains ionic bonds
B. When the molecule contains polar bonds
C. When the molecule contains hydrogen bonds
D. When the molecule contains nonpolar bonds
Answer:
B When the molecule contains polar bonds.
Explanation:
AP-EXpert
The shape of a molecule affect its polarity, when the molecule contains polar bonds because polarity depends on polar bonds.
What is the effect on polarity?The polarization of a molecule greatly depends on the shape of the molecule. The net dipole moment occurs only due to the uneven distribution of electrons between the two atoms.
So we can conclude that the shape of a molecule affect its polarity, when the molecule contains polar bonds because polarity depends on polar bonds.
Learn more about polar here: https://brainly.com/question/545359
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HELP ASAP BIG; POINTS I REALLY nEED THESE
Answer:
76
120
Explanation:
the upper number is the sum of Protons and neutrons. and the lower one is the number of Protons! to find the number of neutrons, all you have to do is: upper number-lower number=number of neutrons
Which substance is a heterogeneous mixture?
Suspension
Solution
Compound
Colloid
Answer:
Suspension
Explanation:
I just need a sentence
Answer:
Plankton will never get the kraby patty secret formula
Explanation:
What is the hybridization of the C atoms in C2Cl4 ?
Answer:
sp2
Explanation:
Orbital hybridization is defined as the changes in the orbitals of atoms when they pair with electrons of other atoms to form chemical bonds.
C atoms in C2Cl4 or tetrachloroethene have a total of three bond pairs, two with each chlorine atom and one with other carbon atom and zero lone pairs. Thus, C atoms in C2Cl4 is sp2 hybridized.
Hence, the correct answer is "sp2".
The hybridization of the C atoms in C2Cl4 is sp² hybridized.
The concept of hybridization deals with the merging of atomic orbitals to produce fresh hybridized orbitals, which impact molecule geometry and bonding characteristics.
In the given compound, C2Cl4 (tetrachloroethene)
There is a substitution of all the hydrogen atoms attached to the organic compound ethene with chlorine to produce tetrachloroethene. The two carbon atoms are doubly bonded to each other with two chlorine attached to each of the carbon atoms diagonally given rise to a bond angle of 120°. Thus, the resulting hybridization of the C atom is sp² hybridized.
Therefore, we can conclude that the hybridization of the C atoms in C2Cl4 is sp² hybridized.
Learn more about hybridization here:
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What is the energy (ATP) from cellular respiration used for? Select all that are
correct.
option 1: movement
2: none of these answers are correct
3:growth
4:development
Answer:
1. movement
3. growth
4. development
Explanation:
ATP provides a source of chemical energy that powers all cell functions.
Any process in the body that requires energy relies on the conversion of ATP to ADP and the associated release of chemical energy. Therefore, movement, growth, and development all use ATP to take place.
Which object will have the most kinetic energy?
O Small object moving slowly
O Small object moving quickly
O Large object moving quickly
O Large object moving slowly
Answer:
the large object moving quickly because the more the mas the more kenetic energy
Cells with nuclei belong in the domain
Archaea
Bacteria
Eukarya
Protists
Answer:
Eukarya
Explanation:
if it has an nuclei its eukaryotic
Which piece of ice has the most themal energy
A. 10,000 g ice sculpture at -1c
B. 10 g ice cube at -1c
it's B
Explanation:
just because 1111111111111111111
could someone tell me if i’m correct
1. I am in group two period three. What element am I?
A Ti
B, C
C. Ca
D. WE
Answer:
Ca
Explanation:
A gamma ray has a frequency of 1 x 10^20 Hz and has a speed of c. What is the
wavelength?
Answer:
λ = 3.0 × 10⁻¹² m
Explanation:
Speed of Light = Wavelength × frequency
c = λν
Step 1: Define
c = 3.0 × 10⁸ m/s
λ = unknown
ν = 1 × 10²⁰ Hz
Step 2: Substitute and Evaluate for λ
3.0 × 10⁸ m/s = λ · 1 × 10²⁰ Hz
λ = 3.0 × 10⁸ m/s ÷ 1 × 10²⁰ Hz
λ = 3.0 × 10⁻¹² m
Check all of the pure substances
below
Water
Oxygen
Salt Water
Solid gold ring
Mud (dirt and water)
Shampoo