Protons

What subatomic particle is coloured red in this image?

• proton

• neutron

• electron

Tags

NGSS.MS-PS1-1

What vocabulary word completes the missing box in the table?

• electron cloud

• nucleus

• atom

• electron

Tags

NGSS.MS-PS1-1

How many protons does krypton have?

• 84

• 36

• 48

• 8

Tags

NGSS.MS-PS1-1

What is the atomic # of iron?

• 55

• 56

• 26

• 2

An element with 3 protons in each atom has an atomic number of:

• 1

• 2

• 3

• 4

An atomic number of 8 means the atom has ________ protons.

• 7

• 8

• 16

• 88

An element with 12 protons in each atom has an atomic number of:

• 12

• 21

• 2

• 24

True or false: The atomic number of an element is the same as the number of protons of its atoms.

• True

• False

An element has an atomic number of 35. How many protons do the atoms contain?

• 3

• 35

• 70

• 150

An element has an atomic number of 9. How many protons do the atoms contain?

• 9

• 8

• 7

• 6

Tags

NGSS.MS-PS1-1