Periodic Table
Atomic Structure
Bonding
Scientific Measurement
Chemistry
100

What is hydrogen?

This is the lightest element in the universe.

100

What charge does a proton have?

Has a positive charge.


100

What is a covalent bond?

This type of bond involves the shaaeing of electrons.

100

What is error?

The difference between experimental value accepted value.


100

What is gas?

A form of matter that takes both the shape and volume of its container.

200

What are families?

These columns on the periodic table are also known as groups.


200

What is the mass number?

The total number of protons and neutrons in an atoms nucleus.

200

What is a cation?

In ionic bonding, this type of ion is positivey charged.

200

What is a milli?

1/1,000


200

What is a heterogeneous mixture?


A mixture in which the composition is not uniform thoughout.

300

What are periods?

This is the name of the horizontal rows on the periodic table.

300

What is the electron cloud?

The nucleus where electrons are most likely to be found.

300

What is metallic bonding?

This term describes the attraction between metal actions and delocalized electrons.

300

What is a meter (m)?

The basic unit of length.

300

What is the law of conservation of mass?

 Any physical change/Chemical reaction mass is conserved/mass is neither created nor destroyed.


400

What are halogens and name 2 elements?

This group of elements is highly reactive and includes fluorine and chlorine.

400

What is a neutron?

This particle is neutral and found in the nucleus of an atom.

400

What are metals and nonmentals?

An ionic bond forms between these two types of elements.

400

What is mass divided by volume?

The formula used to calculate the density of a substance.

400

What is a phase?

Any (solution) part of a sample with uniform composition/properties.

500

Who is Dmitri Mendeleev?

The scientist with creating the first periodic table.

500

What are isotopes?

Atoms of the same element with different numbers of neutrons are called this.

500

What is a polar covalent bond?

A covalent bond in which electrons are not shared equally is called this.

500

What is a balance 

This scientific tool is used to measure the mass of an object with high precision 

500

What is Distillation?

 a homogenous mixture of water and substance that are dissolved in the water.

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