SPS1 Practice Test

What number indicates the nucleus?

• 1

• 2

• 3

• 4

Which two particles make up the nucleus of an atom?

• Protons and Electrons

• Protons and Neutrons

• Molecules and Compounds

• Neutrons and Electrons

_____ are the basic units of matter and the defining structure of elements.

• Atoms

• Compounds

• Elements

• Molecules

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

_____ are the basic units of matter and the defining structure of elements.

• Atoms

• Compounds

• Elements

• Molecules

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Which subatomic particle has a positive charge?

• Electron

• Neutron

• Valence electron

• Proton

Tags

SPS1a

An atom that has become charged by gaining or losing electrons.

• Ion

• Isotope

• Electron

• Valence Electron

Which of these is the proton.

• A
• B
• C
• None

Tags

NGSS.MS-PS1-1

Which of these is the electron?

• A
• B
• C
• D

Tags

NGSS.MS-PS1-1

What are atoms?

• the basic unit of life

• elements

• the smallest unit of an element

• protons, electrons, and neutrons

Tags

NGSS.MS-PS1-1

What is an isotope?

• elements

• elements with the same number of neutrons but have different numbers of electrons ​

• elements with the same number of electrons but have different numbers of protons.

• elements with the same number of protons but have different numbers of neutrons. ​

• your mom