Subatomic particles
Which subatomic particle has a negative charge?
electron
A vertical column on the periodic table is referred to as a _______.
Group
The atomic number for an element tells you that elements ________.
protons
What are ions?
Atoms with a charge.
The dots surrounding a Lewis-Dot Diagram represent what? (be specific)
valence electrons
How many neutrons does the atom Fluorine (F) have?
10
What element is in Period 3 and Group 13 on the Periodic Table?
Aluminum
As you move from left to right across the Periodic Table, number of valence electrons ______.
Increases
What are isotopes?
Atoms of the same element with different numbers of neutrons
How many valence electrons does Magnesium (Mg) have?
2
Hydrogen has 1 proton and 1 electron. What is its overall charge?
0, neutral
Hydrogen (H) is not a metal; however, it is in Group 1. Why?
It has 1 valence electron.
Which two groups are the most reactive on the Periodic Table?
Group 1 (Alkali Metals) and Group 17 (Halogens)
What type of ion will group 17 elements form during bonding?
anion, or 1-
The nucleus of an atom is concentrated at the center and has what overall charge?
Positive
An unknown element has a mass number of 40 and has 20 neutrons. What is the identity of the element?
Calcium
Name one of the alkaline earth metals.
Mrs. Kelley will decide if you are right.
Group 18 Elements are nonreactive because
every element in group 18 has a full outer shell
Carbon-12 and Carbon-14 are isotopes. What is the difference between them?
How many electron shells does Magnesium (Mg) have?
3
Which two subatomic particles are in the nucleus of an atom?
protons and neutrons
What is the family name for group 17?
Halogens
Are most of the elements on the periodic table solids, liquids, or gasses?
Solids
In bonding, what type of ion would Lithium become? Why?
Cation, 1+, has one valence and will give it away
How many electrons can each of the three shells in a Bohr model hold?
2, 8, 8