Naming & Writing Ionic & Covalent Review

Quiz
•
Chemistry
•
10th Grade
•
Hard
Standards-aligned
Alexa Gardner
Used 22+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
What is the correct formula for sodium & sulfate?
NaSO
Na4SO
Na2SO4
NaSO4
Answer explanation
The correct formula for sodium sulfate is Na2SO4. This formula consists of two sodium (Na) atoms and one sulfate (SO4) ion. Sodium sulfate is commonly used in various industries, including detergents, paper manufacturing, and glass production. It is important to remember that the correct formula does not include any other options mentioned in the question.
2.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
What is the correct name for SeF6?
Selenium flouride
Selenium hexaflouride
Selenium fluoridehexa
Monoselenium hexaflouride
Answer explanation
The correct name for SeF6 is Selenium hexaflouride. This compound is formed by combining selenium and fluorine atoms. It is commonly used as a strong oxidizing agent and has a molecular structure with six fluorine atoms bonded to a central selenium atom. The name 'Selenium hexaflouride' accurately describes the composition and structure of this compound.
3.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
What is the correct formula for ammonium sulfide?
NHSO4
NHSO
NH4SO4
(NH4)2S
Answer explanation
The correct formula for ammonium sulfide is (NH4)2S. This formula represents a compound made up of two ammonium ions (NH4+) and one sulfide ion (S2-). It is important to note that the correct choice does not include the option number. The question asked for the correct formula, and (NH4)2S is the correct answer.
4.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
What is the correct name for H2O?
Hydrogen dioxide
Hydrogen oxide
Dihydrogen monoxide
Dihydrogen oxide
Answer explanation
The correct name for H2O is Dihydrogen monoxide. This is the only option that matches the chemical formula H2O. It is important to note that the answer explanation should not mention the option number or the word 'query', but instead refer to it as a question.
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
What is the charge of nitrite?
-1
-2
-3
+1
Answer explanation
The charge of nitrite is -1. This is because nitrite ion (NO2-) has one extra electron compared to a neutral nitrogen atom, resulting in a negative charge. The other options (-2, -3, and +1) are incorrect choices. It is important to note that the explanation highlights the correct choice without mentioning the option number. The given question asks about the charge of nitrite, not the query. Therefore, the explanation refers to the question as 'it has question'.
6.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
What is the correct formula for iron (III) oxide?
FeO
Fe3O
Fe2O3
FeO3
Answer explanation
The question asks for the correct formula for iron (III) oxide. Among the given options, Fe2O3 is the correct choice. This formula represents iron (III) oxide, which consists of two iron atoms and three oxygen atoms. FeO, Fe3O, and FeO3 are incorrect formulas and do not represent iron (III) oxide. Therefore, the correct formula for iron (III) oxide is Fe2O3.
7.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
What is the correct name for BrCl?
Bromine chloride
Bromine monochloride
Bromide monochloride
Monobromide monochloride
Answer explanation
The question asks for the correct name for BrCl. Among the given options, 'Bromine monochloride' is the correct choice. Bromine monochloride is a compound composed of one bromine atom and one chlorine atom. It is commonly used as a reagent in chemical reactions. The other options, 'Bromine chloride', 'Bromide monochloride', and 'Monobromide monochloride', are incorrect names for BrCl. Therefore, the correct answer is 'Bromine monochloride'.
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