Elements
What is the third element?
Lithium
What are rows called on the periodic table?
Periods
what is an ion?
an atom that has a charge by gaining/loosing electrons
What is a covalent bond?
when two atoms share electrons
ionic bonds occur between which elements?
Metals + non-metals
How many protons does Oxygen have?
8
What are 'groups' on the periodic table?
The columns
What charge does the following atom have, Fe (III)?
3+, Fe3+
covalent bonding occurs between which types of atoms?
non-metals
NaCl is what ionic compound?
Sodium Chloride
What is the symbol for Silicon?
Si
What are the elements with both metal and non-metal properties called?
Metalloids
elements in group one will have a charge of what?
1+
they will loose one electron
what is the following compound: CO2
Carbon dioxide
What's the formula for Magnesium Oxide?
MgO
What element is Au?
Gold
We looked at three types of Metals on the periodic table in class, name the three categories...
Alkali Metals, Alkaline Earth Metals and Transitional Metals
Magnesium has an electron configuration of 2, 8, 2. What will its ionic configuration be?
2, 8 - it will loose two electrons
name one property of covalent compounds
one of: soft, flexible, non-conductors, dull etc.
What is the formula for Copper (II) Chloride
CuCl2
Which element has an electron configuration of
2, 8, 8, 2
Calcium (20)
As you go down the periodic table what increases?
The size and mass of the atoms
What charge do noble gases on the periodic table have?
0, they do not have a charge as they are stable atoms
what is the formula for hydrogen gas?
H2
write the chemical formula for Aluminium Oxide
Al2O3