Atoms and Periodic Table Test Review

What is the half-life of carbon-14?

The elements to the left of the zigzag line on the periodic table are called

An atom of phosphorus has 15 neutrons.  What is its isotope name?

Hydrogen-1, hydrogen-2, and hydrogen-3 are all ____________ of hydrogen.

Which element is a non-metal?

A large atom is hit with a neutron, and splits into two small atoms and neutrons. What is this?

An atom of carbon with 6 protons, 6 electrons, and 7 neutrons would have a mass number of

What is the overall charge of an atom as it appears on the periodic table of elements?

How would you describe most non-metals?

Which element has the largest mass?

Periodic law states

What is the smallest unit of matter that is still an element?

If an isotope of nitrogen, nitrogen-15, has 7 protons.  How many protons does nitrogen-18 have?

Each column of the periodic table is called a(n)

If you add a proton to an atom, what happens?

You have a 100g sample that has a half life of 1 day.  How much do you have left after 3 days?

How may neutrons are in atom of calcium-41?

Which of the following is true regarding nuclear energy?

What type of decay has occurred when a helium nucleus is ejected? 

What are valence electrons?

How many electrons are in a neutral atom of chlorine?

How many protons are in an atom of iron?

The rows on the periodic table are called

Most elements on the periodic table are __________ at STP