The Basics (Vocab)
Atomic Math
Table Navigation
Charges & Ions
Bonding & Valence
100

The smallest unit of an element that retains its properties.

What is an atom?

100

Formula to calculate neutrons of an atom.

What is mass number - atomic number?

100

Use the table to find the atomic mass of Oxygen.

What is 15.99amu?

100

When there are more electrons than protons there is this type of charge.

What is negative?

100

These are the electrons located in the outermost shell of an atom.

What are valence electrons?

200

The dense, central core of an atom containing protons and neutrons.

What is the nucleus?

200

Calculate the number of neutrons for Carbon-14 (Atomic #6).

What is 8?

200

Find the element located in Period 4, Group 2.

What is calcium?

200

f an atom has 11 protons and 10 electrons, what is its charge?

What is +1?

200

This type of bond involves the sharing of electron pairs.

What is a covalent bond?

300

When an atom has different amounts of neutrons but the same protons, it is considered this?

What is a isotope?

300

Cobalt-61 has 27 protons. How many neutrons does it have?

What is 34?

300

Find the element located in Period 6, Group 15.

What is Bismuth?

300

An atom with 17 protons has a -1 charge. How many electrons does it have?

What is 18?

300

This type of bond occurs when electrons are transferred from a metal to a nonmetal.

What is an ionic bond?

400

Elements that are generally dull, brittle, and poor conductors.

What are nonmetals?

400

An isotope of Phosphorus has 16 neutrons. What is the specific Mass Number for this isotope?

What is 31?

400

Where on the periodic table would you expect to find the most electronegative atoms?

What is top right?

400

If a Magnesium atom (12 protons) loses 2 electrons, what is its new charge?

What is -2?

400

Carbon is in Group 14; how many valence electrons does it have?

What is 4?

500

Smaller than the smallest unit of an element.

What is subatomic?

500

A neutral atom has a mass number of 80 and its nucleus contains 6 more neutrons than protons. Identify the element.

What is Rubidium?

500

What periodic trends arise when you move left to right on the table?

What is the increase in valence electrons?
What is decrease in atomic radii?

What is increase in ionization energy?

500

How is a positive ion created

What is losing valence electrons?

500

This is the reason why Noble Gases have their name.

What is unreactivity?