Atomic

What is the atomic number?

• the number of protons

• the number of protons and neutrons

• the number of neutrons

• the number of protons and electrons

What is the atomic number of this atom?

• 1

• 3

• 4

• 7

Tags

NGSS.MS-PS1-1

What is the mass number of this atom?

• 1

• 3

• 4

• 7

Tags

NGSS.MS-PS1-1

The fluorine atom has an atomic number of

• 19

• 9

Tags

NGSS.MS-PS1-1

Silicon has a mass number of 28 and an atomic number of 14. How many protons does it have?

• 28

• 14

• 42

• 7

Tags

NGSS.MS-PS1-1

How many protons does chlorine have?

• 35

• 36

• 17

• 18

How many protons, neutrons, and electrons does sulfur have? It's atomic number is 16 and it's atomic mass is 32.

• 16 protons, 16 neutrons, and 16 electrons

• 16 protons, 32 neutrons, and 16 electrons

• 16 protons, 16 neutrons, and 32 electrons

• 32 protons, 16 neutrons, and 16 electrons.

Tags

NGSS.MS-PS1-1

The green subatomic particles with negative charges are

• protons

• neutrons

• electrons

• atoms

Tags

NGSS.MS-PS1-1

The particles with no charge in an atom are the _______.

• electrons

• neutrons

• protons

• protons and neutrons

Tags

NGSS.MS-PS1-1

What does the black spot of the image represent?

• Element

• Nucleus

• Electron Cloud

• Atom

Tags

NGSS.MS-PS1-1