Molecules, Compounds, and Chemical Equations Flashcards
1
Q
What is an isotope?
A
-An element with different number of neutrons
2
Q
What is an ion?
A
-An element changing the electrons
3
Q
What is the atomic mass?
A
-The average of isotope mass of the element
4
Q
What is ionic bond?
A
- Occurs between metal and nonmetal
- electrons are transfered
- one atom gains electron and one atom loses an electron
5
Q
What is a covalent bond?
A
- Sharing of electrons
- Between nonmetals
6
Q
What are the diatomic elements?
A
-Oxygen, Hydrogen, Nitrogen, and the halogens.
7
Q
What is the prefix for 5?
A
-penta
8
Q
What is the prefix for 6?
A
-hexa
9
Q
What is the prefix for 7?
A
-hepta
10
Q
What is the prefix for 8?
A
-octa
11
Q
What is the prefix for 9?
A
-nona
12
Q
What is the prefix for 10?
A
-deca
13
Q
What occurs with the products and reactants in a combustion reaction?
A
- O2 gas and CH is the reactants
- CO2 and H2O are the products
