Show:
Atoms
Elements
Matter
Periodic Table
Stable/Reactive
100
This is a small particle that makes up most types of atoms on earth
What is an atom
100
Made up of only one kind of atom
What is an element
100
state that matter is neither created nor destroyed, only changed in form
What is the Law of Conservation of Matter
100
These are found on the right side of the periodic table
What is metalloids and non metals
100

How many valence electrons do elements want if they have at least two electron shells?

8

200
This is an uncharged particle in the nucleus of the atom.
What is a neutron
200
These are on the periodic table
What is an element
200
Anything that has mass and takes up space
What is matter
200
This is the number of protons in the nucleus of each atom of an element
What is the atomic number
200

How many valence electrons does oxygen have?

6

300
These are atoms of the same element that have different numbers of neutrons.
What is an isotope
300
These are shiny, good conductors of heat and have luster
What is a metal
300

True or False- Hydrogen is matter

What is true

300
This is the sum of the an atom's protons and neutrons
What is mass number
300

What determines if an element is reactive or stable?

Their outermost shell being full

400
This is a positively charged particle in the nucleus of the atom
What is a proton
400
These are poor conductors of heat and electricity. They are dull in appearance
What is a non metal
400
True or False- heat is matter
What is false
400
This is the weighted average of mass of an element
What is atomic mass
400
Is Argon stable or reactive?

Stable

500
This is a negatively charged subatomic particle
What is an electron
500
Elements that have characteristics of metals and non metals
What is a metalloid
500
True-or False- Light is matter
What is False
500

How can you tell that elements have similar characteristics?

They are in the same group/family

500

Is Flourine stable or reactive?

Reactive