Periodic Table of Elements
What is group and period?
The group goes up and down. Period goes left to right.
What is Mass - Number? M-A =N
Elements in the same ____________ will have similar chemical properties.
group
What are the three classified physical properties?
Metal, nonmetal, metalloid
On the chemical equation, reactant is found on the
left side
What is the element at group 5 period 4?
What is Chromium?
Round the bottom number (mass) - the top number.
Carbon and Nitrogen have the same number of energy level. Therefore, it's found on the same -
What is period?
What is the formula to calculate density?
Density = mass/volume
On the chemical equation, product is found on the
right side
What is the element with 13 protons?
What is aluminum?
Before subtracting 22.990 from 11, you should -
Round 22.990 to 23.
What is the valence electron of Cl? Where can you find it on the Bohr Model?
7 - outermost shell of the Bohr Model
What is density of 40 grams and 4 mL?
What is 10 g/mL?
What is the total number of atoms in H20?
Three
What is the element with the atomic mass 55 and 30 neutrons?
What is Manganese?
What is the neutron of the element, Bromine?
What is 45 neutrons?
What is the element with the valence electron 6 and neutron 8?
What is Oxygen?
Identify at least two metalloid?
B, Si, Ge, As, Sb, Te, Po, At
O2 is known as a
Molecule
What is an element that is considered a nonmetal in Group 1?
Hydrogen.
What is the neutron of the element in group 5 period 3?
What are 16 neutrons of the symbol P?
Identify another element that shares chemical properties with Helium? Why?
Neon, Argon, Krypton, Xenon, Radon. It's found on the same group.
What is the difference between metal and nonmetal?
Metal = Shiny, Conductor, Malleable
Nonmetal = Nonshiny, insulator, nonmalleable
What is the total number of atoms on the reactant side? 2 Fe+3 Cl2 −−→ 2 FeCl
8