Atoms, Elements, and Compounds Review

Front

Atoms contain which subatomic particles?

Back

protons, neutrons, electrons

Front

What has a positive charge?

Back

protons

Front

__________ have a neutral charge.

Back

neutrons

Front

What subatomic particles have a negative charge?

Back

electrons

Front

________________ electrons are found in the outer energy shell of an atom.

Back

Valence

Front

What is made of 2 or more different elements chemically combined?

Back

compounds

Front

What is made of only 1 type of atom?

Back

elements

Front

What type of substance does B represent? Options: a nucleus, a compound, an element, a mixture.

Back

an element

Front

Look at the reaction in the picture (the picture is fuzzy). Which letter represents a compound? Options: A, B, C

Back

C

Front

What is wrong with JimBob's statement that water is NOT a compound because only hydrogen is used to make water?

Back

Water is a compound because compounds must contain two or more elements, and oxygen is also combined with hydrogen to make water.