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Groups / Periods
Elements
Atomic Math
Subatomic Particles
Electronegativity
100

How many electron shells do elements in period 4 have?

4 shells 

100

How many protons in an element of Ca?

Ca (calcium) = 20 protons

100

Atomic numbers   B + Ca - Li + Ar - H =?

5(boron) + 20(calcium) - 3(lithium) + 18(argon) - 1(hydrogen) = 39

100

What subatomic particles make up the nucleus of an atom?

Protons and Neutrons 

100

As you move from left to right across the periodic table the electronegativity does what?

(increases or decreases)

Increases 

200

What group are the Alkaline Earth Metals

Group 2

200

How many electrons is an element of Cu?

Cu (copper) = 29 electrons 

200

Valance Electrons   Xe - V - Cr + Be + K - F + Al = ?

8(Xe) - 2(V) - 1(Cr) + 2(Be) + 1(K) - 7(F) + 3(Al) = 4

200

What is the charge of the following subatomic particles? (protons, neutrons, electrons)


Protons: +

Neutrons: 0

Electrons: -

200

As you move from the top down to the bottom of the periodic table the electronegativity does what?

(increases or decreases)

Decreases

300

What group are the Halogens?

Group 17

300

How many neutrons are in an element of C?

(show your work)

C (carbon) = 6 neutrons

atomic mass - # of protons = # of neutrons

12 - 6 = 6

300

protons (Fe) + neutrons (Ag) + electrons (O) = ?

26 (Fe/iron) + 60 (Au/silver) + 8 (O/oxygen)= 94

300

What is the mass of the following subatomic particles? (protons, neutrons, electrons)

Protons: 1amu

Neutrons: 1amu

Electrons: 0amu

300
Which of the following 2 elements has the greatest electronegativity?   K   OR   Na

K (potassium) = 0.8

Na (sodium) = 0.9  (winner)

400

What group are the Alkali metals?

Group 1

400

What is the atomic mass of an element of Au?

Au (gold) atomic mass = 196.967aum 

400

*Atomic Numbers*   

Group8/Period4 + Group16/Period3 + Group1/Period7 =?

26(Fe) + 16(S) + 87(Fr) = 129

400

What do you call the outermost shell of electrons?

Valence Electrons
400

What element has the highest electronegativity?

Bonus:

What is its value (decimal)

Fluorine (F)

4.0

500

What group are the noble gases?

Group 18

500

What is the only metal element that is liquid at room temperature?

Hg (mercury)

500
electrons(Mg) + atomic mass(N) - valence electrons (I) * neutrons (Ne) / number of shells (Rb) = ?

12(Mg) + 14(N) - 7(I) * 10(Ne) / 4(Rb) = 8.5

500

Where are electrons found within an atom?

orbitals OR shells OR principle energy levels

500

What is electronegativity?

Measurement of how strongly an element can attract electrons