Chemistry Review Quiz Pt 1

Which element has properties most similar to Argon?

• Radon (Rn)

• Oxygen (O)

• Iodine (I)

• Neon (Ne)

Tags

NGSS.MS-PS1-1

The periodic table is arranged into what 3 major groups?

• elements/compounds/atoms

• metals/transition metals/rare earth metals

• metals/metalloids/nonmetals

• periods/groups/rare earth metals

Why do electrons stay near the nucleus?

• Positive protons and negative electrons repel

• Positive protons and positive electrons attract

• Positive protons and negative electrons attract

• Two negative charges make a positive charge

What does the atomic number tell us?

• Mass of an atom

• Number of protons + neutrons

• Number of protons

• Charge of the atom

What is true if a neutral atom has 9 protons?

• It has 9 electrons

• It has 9 neutrons

• More protons than electrons

• Atomic mass is 9

Tags

NGSS.MS-PS1-1

How many valence electrons does aluminum have?

• 2

• 6

• 3

• 8

Tags

NGSS.MS-PS1-1

What is the atomic number of Sodium?

• 11

• 23

• 22

• 12

Tags

NGSS.MS-PS1-1

What is the atomic mass of Sodium?

• 11

• 23

• 22

• 12

How many neutrons are in Sodium? (Not scored)

• 11

• 23

• 22

• 12

Tags

NGSS.MS-PS1-1

What is the Law of Conservation of Mass?

• Mass changes in a closed system

• Mass is created and destroyed

• Mass stays the same in a closed system

Tags

NGSS.MS-PS1-5