SCI7: Structures & Properties of Matter Vocab Review

Fill in the blank: A subatomic particle with a positive charge is called a ______.

• A) Electron

• B) Neutron

• C) Proton

Which subatomic particle is found outside the nucleus and has a negative charge?

• Proton

• Neutron

• Electron

Fill in the blank: The ______ is the inside of the atom, made of protons and neutrons.

• Electron cloud

• Nucleus

• Shell

Tags

NGSS.MS-PS1-1

What is the term for a pure substance made up of the same kind of atoms?

• Element

• Compound

• Mixture

• Solution

Fill in the blank: The ______ is a chart showing all the elements arranged according to the repeating pattern of their properties.

• Atomic Table

• Periodic Table

• Element Chart

What is the number of protons in one atom of an element called?

• Mass number

• Atomic number

• Isotope number

What is a group of two or more atoms held together by chemical bonds called?

• Molecule

• Compound

• Element

Tags

NGSS.MS-PS1-1

Fill in the blank: A substance made of two or more elements that are chemically combined is called a ______.

• A) Mixture

• B) Compound

• C) Solution

Tags

NGSS.MS-PS1-1

What is the term for the number of protons and neutrons in an atom?

• Atomic number

• Mass number (also known as atomic mass)

• Isotope number

What is the one or two-letter abbreviation for an element called?

• Atomic number

• Chemical symbol

• Element code