Element Basics
Groups and Periods
Electron Arrangements
Bonds
Molecules
100
How many electrons does Argon have?
18
100
What period contains hydrogen and helium?
Period 1
100
How many electrons can an atom's first shell hold?
2
100
What kind of bond is formed between two ions of opposite charges?
ionic bond
100
What molecule's formula is H20?
Water
200
What is the atomic number of boron?
5
200
Which element is in Period 4 and Group 2?
Calcium
200
How many valence electrons does silicon have?
4
200
What kind of bond involves atoms sharing electrons?
covalent bond
200
What is a molecule made of? (Think in the simplest terms)
atoms
300
How many electrons are there in a phosphorus atom?
15
300
What is the name given to Group 2 of the periodic table?
Alkaline Earth Metals
300
How many electrons are in Magnesium's (Mg) second shell?
8
300
What kind of bonds did you represent with the dot structures you drew?
Covalent
300
Draw the dot structure for CH4
400
How many electrons are there in a beryllium ion (after a beryllium atom loses two electrons)?
2
400
What is the name of the group containing helium?
Noble Gases
400
How many valence electrons will you find in the outer shell of each Alkali Metal?
1
400
Looking at a periodic table, on which side (your right or left) of the periodic table are you most likely to find atoms that turn into negatively charged ions?
right
400
Draw a 3D picture of an alcohol molecule. You need to label each atom in the molecule.
500
How many electrons are there in a chlorine ion (after a chlorine atom gains an electron)?
18
500
What is the name of the very reactive group that "wants" desperately to gain one electron?
Halogens
500
What is it about the electron arrangement of the Noble Gases that makes them so non-reactive?
Complete/Full outer shells of electrons.
500
What kind of a bond is lithium most likely to be part of?
ionic
500
How many electrons are shared between each C and O atom in a carbon dioxide molecule?
4