Formula + Calculations Flashcards
1
Q
What does the chemical formula tell us
A
No. of atoms of each element in a compound
2
Q
What does the prefix mono mean
A
1
3
Q
What does the prefix di mean
A
2
4
Q
What does the prefix tri mean
A
3
5
Q
What does the prefix tetra mean
A
4
6
Q
What does the prefix penta mean
A
5
7
Q
What does the prefix hexa mean
A
6
8
Q
What is the valency?
A
the No of bonds that form in an atom
9
Q
what does SVSDF stand for
A
symbol valency swap divide Formula
10
Q
What are the typical roman numerals
A
I II III IV V
11
Q
What are group ions
A
ions that consist of more than one atom
12
Q
What do group ions end in?
A
-ate (except hyddroxide)
13
Q
How do you write word formula
A
X + X —> X
14
Q
what is the difference between formula mass and gram formula mass
A
GFM is just FM in grams
15
Q
What is a mole
A
a mole is equal to the formula mass of a substance in GRAMS
