1R wk11 trends periodic

Each new period row represents a new ________

• energy level or shell

• atom or element

• atomic number or mass

• group number or valence

Elements in the fourth period have _______

• four shells

• four electrons

• four groups

• four protons

Which of the following is false of a Group

• most elements in the same group have the same amount of electrons in the outermost shell

• Group 1 has one valence electron

• group 13 has 13 valence electrons

• Group number increases from left to right

What period and group is sodium in?

• 3, 16

• 16, 3

• 3, 1

• 1,3

• 2,1

Group 1 also is known as the what?

• alkali metals

• alkali earth metals

• transition metals

• noble gases

Which of the following is false of the valence electron

• it is key to whether an atom bonds with another atom

• is the face an atom shows to another atom

• it is related to the group number

• it is related to the period number

Which of the following is false of lewis structure

• lithium has a lewis structure with 1 electron

• Boron has 11 valence electrons

• Neon has 8 valence electrons

• Helium has 2 valence electrons

On the periodic table art project what is the top number shown in each box for the element

• atomic number

• atomic mass

• mass number

• neutrons

How many outer valence electrons are needed to make most elements stable?

• 8

• 2

• 18

• 0

What is the name of an element from the Noble Gasses?

• Bromine

• Neon

• Oxygen

• Carbon