Atoms and the Periodic Table

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

Beryllium has how many neutrons?

• 4

• 5

• 9

• 13

Tags

NGSS.MS-PS1-1

What element is this?

• Helium
• Hydrogen
• Argon
• Silver

Tags

NGSS.MS-PS1-1

What does an atom's period tell us?

• Number of protons
• Number of electrons
• Number of valence electrons
• Number of shells

What does an atom's group tell us?

• Number of protons
• Number of electrons
• Number of valence electrons
• Number of shells

Electrons are...

• smaller than protons and electrons
• negatively charged
• found around the nucleus
• all of these are correct

Tags

NGSS.MS-PS1-1

Atomic Mass - Atomic number= 

• number of neutrons
• number of protons
• atomic radius
• all of these are correct

Tags

NGSS.MS-PS1-1

How many electrons in a neutral atom of lithium?

• 3

• 4

• 7

• 10

Tags

NGSS.MS-PS1-1

How many energy shells does neon have?

• 1
• 2
• 3
• 5

Tags

NGSS.MS-PS1-1

How many energy shells does Mg have?

• 1

• 2

• 3

• 5

Tags

NGSS.MS-PS1-1