Chemistry 1
Chemistry 2
Chemistry 3
Chemistry 4
Chemistry 5
100

What number do you use to find the number of protons?

atomic number

100

What are the 3 main states of matter?

Solid, liquid, gas

100

What is the 25th element called?

Manganese or Mn



100

C-14 has how many neutrons?

8

100

What is the formula for density?

Density = Mass/Volume (Mass over volume)

100

How many periods are shown on the periodic table?

7

100

What is the atomic number of neon (Ne)?

10

100

What is the formula for the compound with: once carbon, three hydrogen, one oxygen, and one hydrogen. 

CH3OH

100

A positive ion is known as a(n)?

Cation

100

The group of elements that form 2ions

What is 16

200

When moving from left to right across the periodic table, what increases?

What is Electronegativity &/or ionization energy

200

The correct formula for the compound formed between potassium and nitrogen has this subscript for potassium


 What is 3

200

What is in the nucleus in the atom?


protons and neutrons




200

How many valence electrons do elements in the group halogens (Cl,Br,F,I) have

What is 7

200

Will oxygen accept or donate electrons? How many?

Accept two electrons

200

What are the elements in Group 18 called ?

Noble Gases

200

the only polyatomic ion that is a cation

what is ammonium

200

What are the elements in Group 2 called ?

Alkaline Earth Metals

200

What are the elements in Group 1 called ?

Alkali Metals

200

How many valence electrons total are in Methanol (CH3OH)

what is 14

300

How are ions formed?

By losing or gaining valence electrons

300

A negatively charged ion


Anion

300

NaHSO4 has how many total atoms?

What is 7. 

300

The Oxide (O2-) ion has  _____electrons

8 e-

300

The sum of protons and neutrons in the nucleus of an atom is known as the _________

Mass number

400

All atoms in a molecule are shown when we draw structures in chemistry except 

what is carbons and hydrogens

400

Elements in Group 2A form ions with a charge of ___

+ 2

400

What group of elements satisfies the octet rule without forming compounds (do not react)?


 Noble gas

400

Two or more compounds with the same molecular formula but different arrangement of atoms in the molecule and different properties

What is isomers

400

the charge on an Aluminum ion

what is Positive three