Chem Com FINAL Review

How many seconds are in 3 hours?

In a chemical equation, the number of molecules of a substance is indicated by:

Copper is a(n):

A molecule formed by the SHARING of electrons is bonded by a(n):

Ground water is a(n):

Pure water (H₂O) is a(n):

6 L = ____ mL

Which of the following is equivalent to: 5.03 x 10⁴

The mass number of lithium is:

carbon dioxide (CO₂) is a(n):

If two objects have the same volume, but object 1 has a greater mass than object 2...

Atomic radii generally ____ from left to right across a period and ____ down a group.

45 cm = ____ m

A renewable energy resource is (a):

A nonrenewable energy resource is:

Why do nonrenewable energy resources need to be conserved?

The letter "p" in "4p³" represents:

Are you ready for your chemistry FINAL!?!?

Physical properties of matter are:

Which is NOT energy resource?

Most metals are:

All atoms of the same element have the same number of:

Electronegativity ____ from left to right within a period and ____ down a group.

In a reaction, what is the relationship between the mass of the reactants and products?

Periodic law states that:

A factor in an experiment that can be changed is known as:

Why do scientists use the metric system?

The process scientists use to solve a problem or answer a question is known as:

Which of the following is NOT a natural resource?

Who performed the famous Gold-Foil Experiment that discovered the positively charged nucleus?

When an atom donates an electron to another atom to form a bond it is a ____ bond.

The following compound has how many TOTAL atoms? H₃PO₄

Elements on the periodic table are organized by increasing:

Each vertical column on the periodic table is known as:

What is a property of noble gases?

Chemical properties:

What skill are you using when you use your five senses to gather information?

When a liquids becomes a gas which of the following is true?

An example of a physical change of a substance is:

A direct change from a solid to a gas is called:

If you were measuring your mass, what unit would be the best to use?

Which of the following is NOT a periodic trend?

The least electronegative atoms are:

In a chemical reaction, the yields arrow ALWAYS points towards the:

What is the most penetrating type of radiation?

In a chemical equation. the symbol that taKes the place of the word "yields" is:

What does SI stand for?

Which of the following has the most energy?

This electron configuration represents what atom? 1s²2s²2p⁵

An example of chemical change is:

The atomic number of sodium is:

The number "2" in "2p¹" represents:

A neutral atom has the same number of protons and:

In a chemical equation, the symbol that takes the place of the words reacts with is a(n):

The reverse of condensation is: