What is the atomic mass of

iron (Fe)?

• 26

• 13

• 55.845

• 23.423

Tags

NGSS.MS-PS1-1

What is the atomic number of Barium, Ba? (enlarge the periodic table)

• 20

• 38

• 56

• 88

Tags

NGSS.MS-PS1-1

What is the atomic number of Nickel? (enlarge the periodic table)

• 110

• 28

• 46

• 78

Tags

NGSS.MS-PS1-1

How many protons are in a sodium atom, Na? (tap to enlarge the periodic table)

• Sodium has 1 proton.

• Sodium has 3 protons.

• Sodium has 11 protons

Tags

NGSS.MS-PS1-1

Which subatomic particle has a negative charge in the atom?

• proton

• neutron

• electron

• quark

Tags

NGSS.HS-PS1-1

What is the atomic number of Be?

• 2

• 4

• 6

• 8

Tags

NGSS.MS-PS1-1

What is the atomic number of Cu?

• 25

• 26

• 27

• 29

Tags

NGSS.MS-PS1-1

What is the atomic number of vanadium?

• 19

• 21

• 23

• 25

What is the atomic number of aluminum?

• 10

• 11

• 12

• 13

Tags

NGSS.MS-PS1-1

What is the atomic number of lithium?

• 2

• 3

• 4

• 5