chem 10 Flashcards
(10 cards)
1
Q
how many groups in periodic table
A
18
2
Q
how many periods in periodic table
A
7
3
Q
ion vs atom
A
atom has equal protons and electrons, electron # differs in ions
4
Q
stock system/valence ions
A
different ion charges in subscripts, first is most common
5
Q
acid naming
A
hydrogen ___ide = hydro__ic acid
hydrogen ___ate = ___ic acid
hydrogen ___ite = ___ous acid
6
Q
formation reaction
A
a + b = ab
7
Q
decomp reaction
A
ab = a + b
8
Q
single replace reaction
A
a + bc = ac + b
OR
d + bc = bd + c
9
Q
double replace reaction
A
ab + cd = ad + cb
10
Q
combust reaction
A
compound + oxygen = most common oxide •metal - ionic formula •carbon - CO2 •hydrogen - H2O •nitrogen - NO2 •sulphur - SO2
