QUESTION 6 Which of the following is a Binary ionic compound A KOH B CO 2 C SiF 4 D NaCN E FeCl 3 QUESTION 7 How many electrons will nitrogen gain or lose when it forms a nitride ion A gain 3 B lose 3 C gain 2 D lose 2 QUESTION 8 The charges on the positive ion and the negative ion in Cu(OH) 2 , respectively are A 1 1 B 2 1 C 2 2 D 2 1 E 2 3 QUESTION 9 Write the formula for barium nitrite A) Ba 3 N 2 B) BaNO 3 C) BN D) Ba(NO 2 ) 2 QUESTION 10 How many grams of Magnesium (Mg) are in pure compound of Magnesium Chloride , that contains 27 0 grams of Chlorine Hint you must write the correct chemical formula for Magnesium chloride to solve the quection Atomic mass of Mg 24 3 g mol and Cl 35 5 g mol A 48 6 g Mg B 71 0 g Mg C 9 24 g Mg D 78 9 g Mg E 12 2 g Mg

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Question: QUESTION 6 Which of the following is a Binary ionic compound? A. KOH B. CO 2 C. SiF 4 D. NaCN E. FeCl 3 QUESTION

QUESTION 6

Which of the following is a Binary ionic compound?

	A.	KOH
	B.	CO₂
	C.	SiF₄
	D.	NaCN
	E.	FeCl₃

QUESTION 7

How many electrons will nitrogen gain or lose when it forms a nitride ion?

A. gain 3

B. lose 3

C. gain 2

D. lose 2

QUESTION 8

The charges on the positive ion and the negative ion in Cu(OH)₂, respectively are:

	A.	+1 & -1
	B.	+2 & -1
	C.	+2 & -2
	D.	-2 & +1
	E.	+2 & -3

QUESTION 9

Write the formula for barium nitrite.

A) Ba₃N₂

B) BaNO₃

C) BN

D) Ba(NO₂)₂

QUESTION 10

How many grams of Magnesium (Mg) are in pure compound of Magnesium Chloride , that contains 27.0 grams of

Chlorine?

Hint : you must write the correct chemical formula for Magnesium chloride to solve the quection.

Atomic mass of Mg = 24.3 g/mol and Cl = 35.5 g/mol

A. 48.6 g Mg

B. 71.0 g Mg

C. 9.24 g Mg

D. 78.9 g Mg

E. 12.2 g Mg

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