[PS] Unit 2: Matter, Atoms, & the Periodic Table

Do you model?

100

Draw the Lewis Dot diagram Helium

He

200

Draw the Bohr Model for Boron

B

300

Draw the Lewis Dot diagram for Phosphorus

P

400

Draw the Bohr model for Silicon

Si

500

Draw the Lewis Dot diagram for Radium

Ra

P.N.E

100

How many protons does Sulfur have?

16

200

How many neutrons does ⁷⁶Br have?

41 neutrons

300

How many protons, neutrons, and electrons does the atom K²⁺ have?

19 protons, 20 neutrons, 17 electrons

400

What would the chemical symbol for an element be that has 7 protons, 8 neutrons, and 7 electrons?

¹⁵N

500

How many protons, neutrons, and electrons ²⁹Al^2- has?

13 protons, 16 neutrons, 15 electrons

Atomic Parts

100

The two regions of the atom

The nucleus and the electron cloud

200

All of the mass of an atom is concentrated here

The nucleus

300

The smallest subatomic particle with the lowest mass

Electron

400

Occur when an atom loses or gains an electron

Ion

500

Atoms with the same number of protons, but different number of neutrons

Isotope

Table Pieces

100

There are seven of these on the Periodic Table

Periods

200

There are 18 of these in the Periodic Table

Groups or families

300

Contains the most reactive metals

Alkali Metals

400

Provide the name of the group that contains two common metals (Magnesium & Calcium) that are used in health products

Alkaline Earth Metals

500

Which family will normally have 7 valence electrons? (give me the name of the family)

Halogens