My Science EOG review 2023

Front

Element

Back

Pure substance made of only 1 atom, which can be found on the periodic table

Front

What is a compound?

Back

Pure substance made of more than 1 atom that is bonded together

Front

What is a mixture?

Back

A substance made up of two or more elements that are physically combined, but not chemically bonded

Front

Electrons have a _____ charge

Back

negative

Front

Protons have a _____ charge

Back

positive

Front

Neutrons have a _____ charge

Back

neutral

Front

How do you calculate atomic weight?

Back

number of protons (+) number of neutrons

Front

Vertical columns have similar _____. The periodic table is ordered by atomic number.

Back

elements

Front

Which of the following is NOT a chemical property? Rusting, Burning, Evaporating, Reactivity

Back

Evaporating

Front

Matter can not be created nor destroyed: it can only be

Back

Transformed, changed