Atoms
Periodic Table
Metals and Nonmetals
Element Identity
Periodic Trends
100
This is the center of an atom
What is the Nucleus?
100
The atomic number of an element tells me the number of this in the nucleus
What are Protons?
100
Nonmetals are found mostly on this side of the periodic table
What is the Right?
100
The element with 47 protons
What is Silver?
100

What is the distance from the center of an atom's nucleus to its outer most electron?

Atomic Radius

200
These particles have a negative charge, no mass and located outside the nucleus.
What are electrons?
200
The horizontal rows on the Periodic table.
What are periods?
200
Material that can be hammered or rolled into sheets
What is Malleable?
200
The Metalloid in period 4 with four valence electrons.
What is Germanium?
200

How is the periodic table arranged today?

What is by atomic number?

300
These two particles (found in the nucleus) are what makes up an atom's mass
What are Protons and Neutrons?
300
Number of groups in the periodic table
What is 18?
300
Name of the second most reactive group of metals
What is Alkaline Earth Metals (group 2)
300
The element with four energy levels and two valence electrons.
What is Calcium?
300

What is the term that refers to the energy need to remove an atom's electron?

What is Ionization Energy ?

400
The building blocks of all matter.
What are atoms?
400

Are found on the outermost energy level of an atom and determines how reactive an atom is.

What is valence electrons?

400
Name for the most reactive group of metals on the Periodic Table.
What are Alkali Metals (Group 1)?
400
The element with 50 protons
What is Tin?
400

What is the name of the term that describes how ACTIVE an element is with other elements?

What is Element reactivity ?

500
An atom with the same number of protons and different number of neutrons is called this
What is an Isotope?
500
When added together they make up the atomic mass of an element.
What are protons and neutrons?
500
Name 4 nonmetals
What is He, H, C, N, O, F, Ne, P, S, Cl, Ar, Se, Br, Kr, I, Xe, Rn, UUo (18 total)
500
Identify a nonmetal with only one valence electron.
Hydrogen?
500

Ionization energy ____________ as you go from left to right across a period and __________ as you go from top to bottom of a family.

Increases, decreases.

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