Where are the neutrons located?

Tags

NGSS.MS-PS1-1

Number of protons, neutrons, and electrons of Carbon (C)

• 6

• 7

• 12

• 13

Tags

NGSS.MS-PS1-1

Lithium (Li) has ____ electron(s) in the 1st energy level and ​ ____ electron(s) in the 2nd energy level.

• 3, 1

• 2, 2

• 2, 1

• 1, 1

Reorder the elements by increasing atomic number.

• Phosphorus (P)

• Magnesium (Mg)

• Helium (He)

• Carbon (C)

• Neon (Ne)

Which Bohr diagram shows Oxygen (O)?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

How many protons, neutrons, and electrons in a Potassium (K) atom?

• 20p, 19n, 19e

• 19p, 19n, 20e

• 19p, 19n, 19e

• 19p, 20n, 19e

Tags

NGSS.MS-PS1-1

This atom has 10 MORE protons than Neon.

• Potassium (K)

• Calcium (Ca)

• Argon (Ar)

• Scandium (Sc)

Tags

NGSS.MS-PS1-1

Match the following

• Be, Mg

• 8 valence electrons

• F, Cl

• 2 valence electrons

• H, Li, Na

• 1 valence electron

• He, Ne, Ar

• 7 valence electrons

How many valence electrons does this atom have?

• 7

• 8

• 5

• 2

Tags

NGSS.MS-PS1-1

How many electrons can the 1st energy level hold?

• 2

• 1

• 8

• 18