Periodic Table 1
Periodic Table 3
Periodic Table 4
Periodic Table 6
100
How many ELECTRONS can the first ring/orbital shell hold?
How many ELECTRONS can the second ring/orbital shell hold?
The first ring/orbital shell can hold a maximum of 2 ELECTRONS
The second ring/orbital shell can hold a maximum of 8 ELECTRONS
100
On a periodic table, what do rows represent
Each row indicates how many rings/shells an atom has.
100
An atom’s mass number is 210 and its atomic number is 85. How many neutrons does the atom have?
125
100
What is the number of Neutrons located in this element? Round if necessary.
12 neutrons.
200
What particles surround the nucleus
Electrons
200
How is the table organized?
In ascending order based on the atomic number.
200
What are 3 physical properties of metals?
luster, malleable, ductile, good conductors, donate electrons, high density, high melting point
200
Draw the Bohr model of magnesium
check on board
300
What is the name of the 3 main classifications on the periodic table?
metals, non-metals, and metalloids
300
What has the symbol Ne, Na, K?
Neon
Sodium
Potassium
300
What are three physical properties of non-metals?
not shiny, not malleable (brittle), not ductile, poor conductors (good insulators), gain electrons, low density, low melting point
300
Draw the Lewis dot structure for silicon
on board
400
What is smallest sub-atomic particle?
Electrons
400
The atomic mass measures the mass of the ________ and ________ in an atom
Number of protons and neutrons
400
Based on the placement on the Periodic Table, what element has two valence electrons and two energy levels?
beryllium
400
What is the name of the group 7A, 17 family?
halogens
500
What group does carbon belong to?
14/4
500
What period does Nitrogen belong to?
2
500
What is the least reactive family on the Periodic Table? Also, name what column number.
Noble Gases, Col. 18
500
What is the charge of the nucleus? Why... how do you know?
Positive