This element has less protons than magnesium and has 7 valence electrons.
Fluorine
100
This chemical family tends to be very reactive nonmetals because the elements have 7 electrons in the outer level.
What are Halogens?
100
This Russian chemist arranged the elements according their atomic mass number and based much of his information on predicting patterns of similar characteristics of the elements.
What was Dmitri Mendeleev?
100
What has the same number of protons but different numbers of neutrons?
Isotope
200
What is the overall charge of the nucleus?
What is positive?
200
This element is located in the 6th energy level and has 2 valence electrons.
What is Barium?
200
Elements of this group are quite "happy" because they have completely filled outer levels. They are also nonreactive.
What are Noble Gases?
200
The zig-zag line on the periodic table separates these:
What are metals and nonmetals?
200
Isotope or Different Elements:
Element x has 35 protons, 36 neutrons
Element z has 34 protons, 36 neutrons
Different Elements
300
Where is an electron located within an atom?
What is on the energy levels?
300
This very colorful element is quite "noble" and has an atomic number of 10:
What is Neon?
300
This word means easily shaped or formed.
What is malleable?
300
Most elements on the periodic table are:
What are metals?
300
The outermost level of electrons is known as:
What is the valence electrons?
400
Which subatomic particle is the smallest?
What is an electron?
400
This element has 14 neutrons and has 3 valence electrons.
What is Aluminum?
400
Elements of this family are very reactive. Calcium, found in this family, can be found in cement, chalk and milk.
What are the Alkaline-Earth Metals?
400
This number on each element's box indicates how many protons or electrons each element has:
What is the atomic number?
400
Give 2 characteristics of nonmetals.
dull, poor conductors of heat and electricity
500
What is the most reactive group on the periodic table? Name the Group, not just the Group number.
What are Alkali Metals?
500
Identify the protons, neutrons, and electrons for Chlorine-37.
protons: 17, electrons: 17, Neutrons: 20
500
How many valence electrons does Hydrogen and Helium need in order to have full outer energy levels?
What is 2?
500
In which direction do groups go on the periodic table? Up/Down or Left/Right
Up/down
500
What is the catchy phrase for the formula that Mrs. Paul uses to calculate the number of neutrons?