Atoms and the Periodic Table

Sodium has an atomic number of 11, how many protons does this atom have?

• 22
• 11
• 12
• 2

Tags

NGSS.MS-PS1-1

What is the atomic mass of Neon?

• 10
• 20.18
• 10.18
• 20.18

Tags

NGSS.HS-PS1-1

How many electrons are in Beryllium?

• 4

• 9

• 5

• 2

What is the atomic number of this nucleus?

• 1
• 3
• 4
• 7

Tags

NGSS.MS-PS1-1

What does the nucleus of an atom contain?

• Electrons and neutrons
• Protons and neutrons
• Neutrinos and positrons
• DNA and RN

Tags

NGSS.MS-PS1-1

What is the neutral particle in an atom

• protons

• neutrons

• electrons

• nucleus

What is a positive particle in an atom?

• Protons

• Neutrons

• Electrons

• nucleus

How do you calculate the number of protons in an element?

• Look at the atomic number-it is the same number

• look at the atomic mass-it is the same number

• Atomic mass-Atomic number

• Ugh, now we have to do math in science?!?

Tags

NGSS.MS-PS1-1

How do you calculate the number of neutrons?

• Look at the atomic number-it is the same number

• Look at the atomic mass-it is the same number

• atomic mass-atomic number

• Neutrons too?!? Oh good grief!

Calcium has an atomic number of 20 and an atomic mass of 40. How many protons does Calcium have

• 20

• 40

• 60

• 80

Tags

NGSS.MS-PS1-1