Chemistry Review 2024

Front

How many electrons does sulfur (S) have?

Back

16

Front

What type of change occurs when ice melts?

Back

Physical Change

Front

What is a negatively charged particle that moves around the nucleus?

Back

Electron

Front

Which grouping of elements is characterized as dull, brittle, and insulators?

Back

Nonmetal

Front

If the water level rises from 50 mL to 60 mL after dropping in an object, what is the volume of the object?

Back

10 mL

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the difference between a chemical change and a physical change?

Back

A chemical change results in the formation of new substances, while a physical change does not.

Front

What are the three states of matter?

Back

Solid, Liquid, Gas

Front

What is the definition of an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is the periodic table?

Back

A tabular arrangement of elements organized by increasing atomic number.