Science Chapter 4 Quiz 2

process that joins together different types of atoms

• compound

• molecules

• chemical change

• chemical formula

the atomic symbols and numbers used to abbreviate the name of a compound

• compound

• molecules

• chemical change

• chemical formula

atoms joined together

• compound

• molecules

• chemical change

• chemical formula

Tags

NGSS.MS-PS1-1

substance formed as a result of a chemical change

• compound

• molecules

• chemical change

• chemical formula

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

a reaction in which a compound is broken down into simpler compounds

• synthesis reaction

• ion

• chemical change

• chemical formula

• decomposition reaction

a reaction in which molecules to combine to form a new substance

• synthesis reaction

• ion

• chemical change

• chemical formula

• decomposition reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

an atom that has gained or lost electrons (number of electrons not equal to number of protons)

• synthesis reaction

• ion

• chemical change

• chemical formula

• decomposition reaction

What is the common name for H2O?

• hydrogen

• water

• oxygen

• carbon

• helium

Occur when atoms share electrons

• covalent bonds

• ionic bonds

form when negative and positive ions are attracted to each other; held together with opposite charges

• covalent bonds

• ionic bonds