Periodic Table of Elements

What is the atomic mass?

In which state of matter do atoms vibrate but remain in fixed position?

Name the three particles of an element.

Which describes the snack?

The ability to be pressed or pounded into a thin sheet.

An element in group 6 has ____ valence electrons.

The melting point of ice is?

The theory that electrons do not orbit, but move at a high speed in a cloud is called__?

The __of an element is the total number of protons and neutrons in the ___of an atom. 

How many protons and neutons does Carbon have?

2 or more elements or compunds, and they are not chemically combined.  

Is salt a compound or a mixture?

How do you round the atomic weight?

Matter that has definite chemical and physical properties is called__?

Things that can be observed without changing the make-up or identity of matter are

What period and group is Cl?

Mixtures that are not mixed evenly and they contain their own properties are __?

What is the atomic mass?

Who concluded that electrons orbit around the nucleus of an atom?

Electrically charged atoms are called ___?

What tells you the number of protons on the periodic table of element chart?

The group number tells you....

What model is used to show valence electrons?

Boiling point of water is?

The three states of matter are____.

What element is period 2, group 8?

Atoms of the same element with different numbers of electrons.

How many protons, electrons, and neutrons does Xe have?

In what state does pure Carbon exist at room temperature?

Who discovered that neutrons are in the nucleus and have no charge?

What is matter?

Substances composed of 2 or more chemically combined elements are __? 

Mixtures that are evenly mixed throughout are called__.

Mixtures that are mixed thoroughly are___.

Which particle orbits an atoms nucleus?