Periodic Table
What do we call rows in the Periodic Table?
Periods
Name the element with an atomic number of 74
Tungsten
The mass number of an atom consists of the mass of the ______
What are the three general categories on the periodic table?
Metal, Nonmetals and Metalloids
Separating material into its simplest form will create a group of atoms that are called?
Elements
What do we call columns in the Periodic Table?
Groups
Name the element with an atomic mass of 108
Silver
To find the number of neutrons in an isotope, subtract ___
The atomic number from the mass number
OR
The number of protons from the mass number
Can be pounded into different shapes?
Malleable
Is the number of protons plus the number of neutrons in an atom
Mass number
In the halogen family, how many valence electrons do the elements have?
7
How many neutrons does Potassium have?
20
is the weighted average mass of all the isotopes of an element
Atomic Mass
Can be stretched into thin wires without breaking
Ductile
Are elements that are made in a nuclear reaction
Synthetic Elements
What tells you the number of protons in an element?
Atomic Number
The Alkali Metals
This element has an atomic number of 29 and has 35 neutrons, what is the atomic mass and the name of the element?
Copper
Atomic Mass: 64
How many elements are liquid at room temperature?
2
Mercury and Bromine
Isotopes are atoms of the same element that have a different number of _____
Neutrons
Will check answer
Will check answers
What is the atomic mass of Rubidium?
85
What are the differences between metals, nonmetals, and metalloids?
Metals: Shiny, good conductors, malleable & ductile
Nonmetals: Dull, bad conductors, brittle
Metalloids: Share characteristics of both metals and nonmetals
_____ contains only one kind of atom
Elements