Chem H Ch. 2 Quiz-A-1

What is the atomic number of this element?

• 3

• 4

• 5

• 7

• 10

Tags

NGSS.HS-PS1-1

Write the hyphen notation of this element.

• Do NOT put any space between answers

Refer to the Bohr's model.

What number belongs in 'A'?

• 3

• 4

• 7

• 10

Tags

NGSS.HS-PS1-1

An atom with 15 protons, 18 electrons, and 16 neutrons has a charge of ​ (a)   ​ (b)   .

Hint: The number comes BEFORE the charge (+/-).

• 2
• 1
• 3
• -
• +

Indicate the number of subatomic particle of this element.

• 26

• Electrons

• 24

• Protons

• 30

• Neutrons

Tags

NGSS.HS-PS1-7

NGSS.HS-PS1-8

If an isotope has an atomic number of 26 and a mass number of 54, how many neutrons does it have?

What charge would nitrogen have to obey the octet rule?

• 3-

• 3+

• 5-

• 5+

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Create a nuclear notation for an atom that has 13 protons, 13 electrons, and 14 neutrons.

a

d

e

26

13

Si

Al

14

27

Tags

NGSS.HS-PS1-8

Select TWO:

What do these isotopes of carbon all have in common?

• Number of Neutrons

• Number of Protons

• Mass Number

• Atomic Number