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Atoms
Elements
Electrons
The Table
Potpourri
100
This number tells you how many protons are in the nucleus of each element.
What is the atomic number.
100
This element has only one proton.
What is hydrogen.
100
Most of the space of an atom is taken up by these particles.
What are the electrons.
100
This person created the first periodic table.
Who is Demitri Mendeleev.
100
These are the elements in groups 3-12.
What are the transition metals.
200
These particles have a negative charge and are located outside of the nucleus.
What are electrons.
200
These elements are the most reactive group on the table.
What are the alkali- metals.
200
The elements in this group have one valence electron.
What is group 1.
200
How many period and groups are on the periodic table?
What are 7 periods and 18 groups.
200
Draw a diagram of a Carbon atom. Include the protons, neutrons and electrons. Must have proper shells of electrons.
See diagram.
300
The atomic mass is made of the combined weight of these 2 particles.
What are the protons and neutrons.
300
Name 3 properties of metals.
What are shiny, ductile, malleable, and good conductors.
300
These electrons are involved in chemical bonding and are on the outer level.
What are valence electrons.
300
These are the properties of the non-metals on the periodic table.
What is poor conductors, dull in appearance, brittle (if solid),
300
This is the name for group 17 on there periodic table.
What is the halogens.
400
The neutrons in this type of atom do not match the number of protons.
What is an isotope.
400
Boron, Silicon and Antimony are examples of _________.
What are Metalloids.
400
How many electrons do the 1st,2nd, 3rd,4th, and 5th energy levels hold.
What is 2-8-8-18-18.
400
Where are the rare earth metals located?
What is at the bottom of the table.
400
This group is unreactive because the atoms in this group have a full valence shell.
What are the noble gases/group 18.
500
This is the most abundant element in the universe.
What is hydrogen.
500
Non-metals are located in this area of the periodic table, mostly. Except for _________.
What is the upper right region.
500
How many valence electrons do groups 1,2,and 13-18 have in their outer shell?
Groups 1 and 2 have the same number of valence electrons as their group number. Groups 13-18 have the same number of valence electrons as their group number - 10. Except for Helium which has 2.
500
Where are the metalloids located on the periodic table and what are 2 of their properties?
What is on each side of the black zig-zag line(between the metals and non-metals) They can be semi-conductors, and have properties in of both metals and non-metals.
500
This scientist was the first to discover the sub atomic particle the neutron, which accounted for the heavier mass of the atom.
Who is James Chadwick.