JeopardyValence Electrons

Ionic Compounds Trends

Reactivity Lab REDOX

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Final Jeopardy

$100 Question from H1

How many valence electrons does an atom want to have?

$100 Answer from H1

8

$200 Question from H1

Noble gasses have how many electrons and what charge?

$200 Answer from H1

8 valence electrons, no charge

$300 Question from H1

Sulfur has how many valence electrons and it’s ions have what charge?

$300 Answer from H1

6, -2

$400 Question from H1

Alkaline Earth Metals have how many valence electrons and what charge?

$400 Answer from H1

2, +2

$500 Question from H1

What happens to the atom radius of an atom when it loses an electron and why (be specific)?

$500 Answer from H1

The radius becomes smaller because- Each electron is attracted more strongly to the positive nucleus (protons)-The positive charge of the nucleus is divided among more electronsNo change in electron shell!

$100 Question from H2

What is the formula for a compound made of K and Cl?

$100 Answer from H2

KCl

$200 Question from H2

What is the formula of a compound made of Se and Ca?

$200 Answer from H2

CaSe

$300 Question from H2

What is the formula for P and Na?

$300 Answer from H2

Na3P

$400 Question from H2

What is the formula for Mg and N?

$400 Answer from H2

Mg3N2

$500 Question from H2

Assuming a reaction occurs, what would be the formula for C and S?

$500 Answer from H2

CS2

If S has a -2 charge, C must take a +4Or, knowing CO2 and/or SiO2 form, use the columns

$100 Question from H3

Where are the metals and non-metalsfound on the periodic table?(left/right)

$100 Answer from H3

Metals: LeftNon-metals: right

$200 Question from H3

What elements have no electron affinity or electronegativity?

$200 Answer from H3

Noble gasses

Also accepted: column 18 or 8a

$300 Question from H3

Which is more metallic, Calcium or Barium?

$300 Answer from H3

Barium

$400 Question from H3

Which has greater ionization energy, Se or Br?

$400 Answer from H3

Br

$500 Question from H3

Put the following in order from most to least electron affinity:K, Ca, Ga

$500 Answer from H3

Ga, K, Ca

$100 Question from H4

What was the most reactive metal in the lab?

$100 Answer from H4

Magnesium

$200 Question from H4

How was it determined that silver was the least reactive metal?

$200 Answer from H4

The aqueous (liquid, ionic) form (Silver Nitrate) of the metal reacted with all of the metals.

$300 Question from H4

Which of the 4 metals tested would Be least likely to be found as a pure Metal in nature?

$300 Answer from H4

Magnesium

$400 Question from H4

In a new experiment metals A, B and C are tested. A solution of element A reacts with metals B and CA solution of element B reacts with metal C onlyWhich metal is most reactive?

$400 Answer from H4

Metal C

$500 Question from H4

When a metal reacts with a solutionIs the metal being oxidized or reduced?

$500 Answer from H4

oxidized

$100 Question from H5

What is the meaning of OIL RIG?

$100 Answer from H5

Oxidation Is Loss (of electrons)Reduction Is Gain (of electrons)

$200 Question from H5

Is the following half-reaction Oxidation or reduction?

Ag+ + e- Ag

$200 Answer from H5

Reduction

$300 Question from H5

In the following equation, what is oxidized and what is reduced?

Mg + Zn2+ Zn + Mg2+

$300 Answer from H5

Mg is being oxidized, Zn2+ is being reduced

$400 Question from H5

In the following equation, what is the oxidizing agent? What is the reducing agent?

2Ag+ + Cu Cu2+ + 2Ag

$400 Answer from H5

Ag+ is the oxidizing agentCu is the reducing agent

$500 Question from H5

Given the following reactivity seriesK > Mn > Fe > AgWhich reaction will occur?

a.Fe3+ + 3K 3K+ + Feb.3K+ + Fe Fe3+ + 3K

$500 Answer from H5

a. Fe3+ + 3K 3K+ + Fe

Final Jeopardy

Write the two half reactions and the full (appropriately balanced) redox reaction for Magnesium metal reacting with an aqueous solution of iron ions. The ionic forms are Mg2+ and Fe3+

Final Jeopardy Answer

Mg Mg2+ + 2e-Fe3+ + 3e- Fe3 Mg + 2 Fe3+ 3 Mg2+ + 2 Fe