Atoms Lesson

What is matter made of?

• nucleus

• atoms

• electrons

• protons

Tags

NGSS.MS-PS1-1

Which part of an atom is found in the nucleus and contains a positive electric charge?

• proton

• neutron

• nucleus

• electrong

Tags

NGSS.MS-PS1-1

Which part of an atom is found in the nucleus and has no electric charge (it is neutral)?

• electron

• proton

• neutron

• nucleus

Tags

NGSS.MS-PS1-1

Which part of an atom is found moving outside of the nucleus and has a negative electric charge?

• proton

• neutron

• nucleus

• electron

Tags

NGSS.MS-PS1-1

How many protons, neutrons, and electrons does sulfur have? It's atomic number is 16 and it's atomic mass is 32.

• 16 protons, 16 neutrons, and 16 electrons

• 16 protons, 32 neutrons, and 16 electrons

• 16 protons, 16 neutrons, and 32 electrons

• 32 protons, 16 neutrons, and 16 electrons.

Tags

NGSS.MS-PS1-1

Silicon has a mass number of 28 and an atomic number of 14. How many protons does it have?

• 28

• 14

• 42

• 7

Tags

NGSS.MS-PS1-1

What is the mass number of the element nitrogen? It has 7 protons, 7 neutrons, and 7 electrons.

• 7

• 14

• 21

Tags

NGSS.MS-PS1-1

What is the name for the center of an atom where the protons and neutrons are found?

• electrons

• mass

• nucleus

• matter

Tags

NGSS.MS-PS1-1

How many electrons fill up the first ring/shell of an atom?

• 2

• 4

• 6

• 8

How many electrons fill up the second ring/shell of an atom?

• 2

• 4

• 6

• 8