Atoms
What are the 3 subatomic particles of an atom?
What are protons, neutrons, and electrons?
The number of protons = ?
What is atomic number?
The number in front of chemical formulas.
What is coefficient?
A push or a pull.
What is force?
Protons + Neutrons = ?
What is atomic mass?
This subatomic particle has a positive charge.
What are protons?
A mix of capital and lowercase letters that represent the element name.
What is the element symbol?
The small numbers next to certain element symbols that determines the number of that element.
What is subscript?
An object not in motion.
What is at rest?
When forces are going in opposite directions, you ___________.
What is subtract the greater force from the lesser force?
This subatomic particle has a neutral charge.
What are neutrons?
Also known as "families", there are 18 of these categories, and each one has elements that share similar characteristics.
What are groups?
The 5 evidences of a chemical reaction.
What are light, gas, color, temperature, and precipitate?
When forces are going in the same direction, you ______________.
What is add the forces together?
The law of conservation of mass states-
What is The mass of atoms on one side must equal the same on the other; matter is neither created or destroyed?
This subatomic particle has a negative charge.
What are electrons?
Also known as "rows", there are 7 of these and they determine the number of electron rings on an atom.
What are periods?
One knows a chemical reaction or change occurred when-
What is a new substance is formed?
Calculate Net force (with direction):
<--- 34N <---17N
What is 51N to the left?
True or false: this chemical equation is balanced:
2Mg + O2→ 2MgO
What is true?
The electrons located in the outermost shell of an atoms.
What is a valence electron?
This family of elements are located in group 18 and are the most stable elements on the board.
What are the Noble Gases?
How many Oxygen atoms are in this formula:
CaMg(CO3)2
What is 6 atoms?
Calculate net force (with direction):
<--- 57N 57N--->
What is 0N?
Which 2 subatomic particles are similar to one another?
What are protons and electrons? (#P=#E)