Elements and Compounds

Front

Which of the following represents an element? H₂O, NaCl, H₂, CaCO₃

Back

H₂

Front

Which of the following is not a compound? Options: HCl, NaCl, Cl, CO₂

Back

Cl

Front

Salt has a chemical formula of NaCl. Salt is a...

Back

Compound

Tags

NGSS.MS-PS1-1

Front

What cannot be broken down into other substances? Compound, Solids, Mixture, Element

Back

Element

Front

What is made up two or more elements that are chemically combined?

Back

Compound

Front

How many elements are represented in the compound Na₂CO₃?

Back

3

Tags

NGSS.MS-PS1-1

Front

A combination of substances that are not chemically combined is called a(n)____________.

Back

mixture

Front

An element is made up of only one kind of _____.

Back

atom

Front

What is H₂SO₄ made up of?

Back

2 hydrogen, 1 sulfur, 4 oxygen

Tags

NGSS.MS-PS1-1

Front

How many atoms are there TOTAL in: H₂SO₄?

Back

7

Tags

NGSS.MS-PS1-1