7th Grade Science Flashcard 3

Front

Are metals malleable?

Back

False

Front

Electrons shared in a molecule are held ________ to the atoms with the larger nucleus.

Back

more closely

Front

A covalent bond is formed between two elements that are __________.

Back

nonmetal

Front

What charge do protons have?

Back

positive

Front

What charge do electrons have?

Back

negative

Front

What is a covalent bond?

Back

A bond formed when two nonmetals share electrons.

Front

What is the nucleus of an atom?

Back

The central part of an atom that contains protons and neutrons.

Front

What are the three main subatomic particles?

Back

Protons, neutrons, and electrons.

Front

What is the charge of a neutron?

Back

Neutral (no charge).

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom.