General Vocab

Question 0

Relative atomic mass

Answer 0

Big number on an element square, the relative mass of one atom, the weight.

Question 1

Atomic number

Answer 1

The top left number for every element, equal to the number of protons in the nucleus.

Question 2

Electrons

Answer 2

Negatively charged particles in an atom that orbit the nucleus. The number of electrons in each electron shell is given in a column on elements in the periodic table. Similar numbers give similar properties.

Question 3

Ion

Answer 3

An atom or molecule that has a number of electrons unequal to its number of protons, creating a positive or negative charge.

Question 4

Anion

Answer 4

A negatively charged ion.

Question 5

Acid

Answer 5

A chemical species that donates protons or hydrogen ions and accepts electrons.

Question 6

Common Compound

Answer 6

A substance made of two or more elements. Water, salt, alcohol

Question 7

Cation

Answer 7

A positively charged ion.