Which subatomic particle is positive?
Proton
The dash in this pure diatomic molecule means what?
H-H
A chemical bond
Group 7 elements are most likely to bond with what other group of elements?
Group 1 or alkaline Earth metals
In group 8 how many valence electrons does Helium have. Remember it's the exception.
2
What is the element of life?
Carbon
Atoms that have the same number of protons and electrons are considered?
Neutral or no charge
All period three atoms have how many rings or energy levels in their Bohr model?
3
I am Boron. I have an atomic number of 5 and an atomic mass average of 11. How many neutrons do I have?
6
What is the standard charge for the nuclei of most every atoms.
a. neutral
b. positive
c. negative
positive
I take up space and have mass. What am I?
a. a thought
b. matter
c. electrons
Matter
Electrons on the outermost shell are called
Valence Electrons
What is the name of the rule that all elements want to get to 8 valence electrons to be happy?
Octet Rule
All group 2 elements have how many valence electrons?
2
An atom with an atomic number of 14 will have how many electrons if it is neutral?
14
Which direction do periods go on the periodic table?
Left to right
All atoms in group 8 (noble gases) have how many valence electrons
8
The atomic number reveals what?
The number of protons
What 2 subatomic particles make up the atomic mass?
Protons and neutrons
As one moves one box to the right on the periodic table the number of protons increases by how many?
1
What is the common name for this molecule: CO2
Carbon dioxide
Adding the protons and the neutron provide what information about the atom?
Atomic Mass
Atoms that have lost or gained an electron are called?
Ions
How fast to electrons travel?
a. the speed of sound
b. the speed of mass
c. the speed of light
d. almost the speed of sound
The speed of light
Is this a balanced equation? Why or why not?
2N3 + O2 turns into 3N2O2
No. There are 2 O's on left and 6 O's on the right.
Consider the following equation is balanced. What would the numbers in the product be to balance the following equation:
2S2 turns into 4___
4S