Module 3 Lesson 3 Classwork

How many protons does this atom have?

• 2.5
• 6
• 5
• 10.811

Tags

NGSS.MS-PS1-1

What group and period on the Periodic Table is this element in?

• group 13, period 1

• group 2, period 13

• group 13, period 2

• group 1, period 13

Tags

NGSS.MS-PS1-1

What equation must you use to find the number of neutrons?

• atomic number-atomic mass
• atomic number x atomic mass
• atomic mass + atomic number
• atomic mass - atomic number

The name of this isotope is ​ (a)   has​ a mass number of (b)   and an atomic number of​ (c)   It has ​ (d)   ​ protons and electrons and​ (e)   neutrons

• 7
• 3
• 4
• lithium-7
• lithium-3

Tags

NGSS.MS-PS1-1

What is the atomic number of this atom?

• 1

• 3

• 4

• 7

Tags

NGSS.MS-PS1-1

What is the mass number of this atom?

• 1

• 3

• 4

• 7

Tags

NGSS.MS-PS1-1

Determine the nuclear symbol for an isotope with 15 protons and 16 neutrons.

Tags

DOK Level 2: Skill/Concept

An element with a mass number of 11 and an atomic number of 5 has how many neutrons?

• 11
• 5
• 6
• 16

The atomic number of an element that has 9 protons, 9 electrons, and 10 neutrons is _____.

• 9
• 10
• 19
• 28

Tags

NGSS.MS-PS1-1

Identify the correct nuclear symbol for an isotope of carbon with 6 protons and 8 neutrons.

Tags

DOK Level 1: Recall