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Regents Chemistry Making Breaking Bonds

Authored by Charles Martinez

Chemistry

9th - 12th Grade

NGSS covered

Regents Chemistry Making Breaking Bonds
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which term represents the sum of the atomic masses of the atoms in a molecule?

atomic number

mass number

formula mass

percent composition by mass

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which equation represents energy being absorbed as a bond is broken?

H + H → H2 + energy

H + H + energy → H2

H2 + energy → H + H

H2 → H + H + energy

Tags

NGSS.HS-PS1-4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which term is used to describe the attraction that an oxygen atom has for the electrons in a chemical bond?

alkalinity

electronegativity

electron configuration

first ionization energy

Tags

NGSS.HS-PS1-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which substance can not be decomposed by chemical means?

C

CO

CO2

C3O2

Tags

NGSS.HS-PS1-1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

5 A beaker contains a dilute sodium chloride solution at 1 atmosphere. What happens to the number of solute particles in the solution and the boiling point of the solution, as more sodium chloride is dissolved?

The number of solute particles increases, and the boiling point increases.

The number of solute particles increases, and the boiling point decreases.

The number of solute particles decreases, and the boiling point increases.

The number of solute particles decreases, and the boiling point decreases.

Tags

NGSS.HS-PS1-5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which form of energy is transferred when an ice cube at 0°C is placed in a beaker of water at 50°C?

chemical

electrical

nuclear

thermal

Tags

NGSS.HS-PS3-4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The average kinetic energy of the particles in a sample of matter is expressed as

density

volume

pressure

temperature

Tags

NGSS.HS-PS3-2

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