Naming compounds and writing formulae

1.

1 point

Which of the following determines that an element is a metal?

the molecules that it forms

whether it loses valence electrons

when it is a Group A element

the magnitude of its charge

2.

1 point

How are chemical formulas of binary ionic compounds generally written?

Roman numeral first, then anion, then cation

anion on left, cation on right

cation on left, anion on right

subscripts first, then ions

3.

1 point

atom or group of atoms having a negative charge

binary compound

polyatomic ion

cation

monatomic ion

anion

4.

1 point

Aluminum is a group 3A metal. Which ion does A1 typically form?

-5

-3

+5

+3

5.

1 point

Write the charge of an chloride ion.

6.

1 point

What is the correct name for the N ion?

nitrate ion

nitride ion

nitrite ion

nitrogen ion

7.

1 point

What is the charge on the sulfate ion

8.

1 point

What type of ions have names ending in -ide?

only anions

only metal ions

only cations

only gaseous ions

9.

1 point

When naming a transition metal ion that can have more than one common ionic charge, the numerical value of the charge is indicated by a

Roman numeral following the name

suffix

prefix

superscript after the name.

10.

1 point

When Group 2A elements form ions, they

gain two protons.

lose two electrons.

lose two protons.

gain two electrons.

11.

1 point

In which of the following are the symbol and name for the ion given correctly?

Fe: ferrous ion; Fe: ferric ion

Pb: lead ion; Pb: lead(IV) ion

Co: cobalt(II) ion; Co: cobaltous ion

Sn: stannic ion; Sn: stannous ion

12.

1 point

tightly-bound group of atoms that behaves as a unit and carries a net charge

cation

anion

binary compound

polyatomic ion

monatomic ion

13.

1 point

atom or group of atoms having a positive charge

monatomic ion

anion

cation

binary compound

polyatomic ion

14.

1 point

The ions formed by nonmetals in Groups 6A and 7A

have a numerical charge that is found by subtracting 8 from the group number.

have a numerical charge that is found by subtracting the group number from 8.

all have a numerical charge of –1.

all have a name that ends in -ate.

15.

1 point

What is the charge on the cation in Calcium sulfate

16.

1 point

consists of a single atom with a positive or negative charge

monatomic ion

binary compound

polyatomic ion

anion

cation

17.

1 point

Which of the following is true about the composition of ionic compounds?

They are composed of cations only.

They are composed of anions only.

They are composed of anions and cations.

They are formed from two or more nonmetallic elements.

18.

1 point

What is the charge on the polyatomic nitrite and chlorite ions?

19.

1 point

Determine the subscript for ammonium in the chemical formula for ammonium dichromate.

20.

1 point

Which of the following correctly provides the name of the element, the symbol for the ion, and the name of the ion?

sulfur, S, sulfurous ion

fluorine, F, fluoride ion

copper, Cu, cuprous ion

zinc, Zn, zincate ion