Asked by nemo

Question 1
(1 point)
Responses

There are 3 hydrogens on the left side, 4 hydrogens on the right side
There are 3 hydrogens on the left side, 4 hydrogens on the right side

There are more hydrogen and oxygen atoms on the left side than the right side
There are more hydrogen and oxygen atoms on the left side than the right side

There are more 4 hydrogens on the left side, and there are 3 oxygens on the right
There are more 4 hydrogens on the left side, and there are 3 oxygens on the right

Carbon is the same on both sides
Carbon is the same on both sides
Question 2
which statement comparing ionic and covalent bonds is correct?(1 point)
Responses

Covalent bonds shared electrons and Ionic Bonds transferred electrons.
Covalent bonds shared electrons and Ionic Bonds transferred electrons.

Group IA elements are more likely to form covalent bonds than ionic bonds
Group IA elements are more likely to form covalent bonds than ionic bonds

More Electrons are involved in forming covalent bonds than ionic bonds
More Electrons are involved in forming covalent bonds than ionic bonds

Covalent bonds have a greater difference in electronegativities between atoms than ionic bonds
Covalent bonds have a greater difference in electronegativities between atoms than ionic bonds
Question 3
Which Chemical Reaction produces a molecules in which all of the atoms have a stable configuration (8 electrons). Ionic compounds, Use the Criss-Cross Method below to determine the correct formula





(1 point)
Responses

KCl2
KCl2

MgCl
MgCl

NaCl
NaCl

Al3O2
Al3O2
Question 4
(1 point)
Responses

Combustion
Combustion

Synthesis
Synthesis

Single Replacement (Displacement)
Single Replacement (Displacement)

Decomposition
Decomposition
Question 5
Calcium (Ca2+) has 2 valence electrons and bromine (Br1-) has seven valence electrons. What is the chemical formula of calcium bromide, you can use the criss-cross method.(1 point)
Responses

CaBr2
CaBr2

Ca2Br7
Ca2Br7

CaBr
CaBr

Ca7Br2
Ca7Br2
Question 6
(1 point)
Responses

2H2SO4 + 2HI ---> 2H2S + I2 +H2O
2H2SO4 + 2HI ---> 2H2S + I2 +H2O

H2SO4 + 4HI ---> H2S + 8I2 + 4H2O
H2SO4 + 4HI ---> H2S + 8I2 + 4H2O

H2SO4 + 8HI --> H2S + 4I2 + 4H2O
H2SO4 + 8HI --> H2S + 4I2 + 4H2O

H2SO4 +HI ----> H2S +I2 +H2O
H2SO4 +HI ----> H2S +I2 +H2O
Question 7
(1 point)
Responses

NaCl +SO2 +H2o +O2 ---> 2NaSO4 +2HCl
NaCl +SO2 +H2o +O2 ---> 2NaSO4 +2HCl

NaCl +SO2 + H2O +O2 ---> Na2SO4 +HCl
NaCl +SO2 + H2O +O2 ---> Na2SO4 +HCl

4NaCl + 2SO2+2H2O +O2 ----> 2Na2SO4 +4HCl
4NaCl + 2SO2+2H2O +O2 ----> 2Na2SO4 +4HCl

2NaCl + 2SO2 +2H2O +O2 ---> 4NaSO +HCl
2NaCl + 2SO2 +2H2O +O2 ---> 4NaSO +HCl
Question 8
Na2SO4, what is the name of the polyatomic ion in this compound?(1 point)
Responses

sulfate
sulfate

sulfous
sulfous

sulfite
sulfite

sulfur
sulfur
Question 9
When table salt forms, which action occurs between the elements, remember that metals transfer electrons, and nonmetals gain electrons.(1 point)
Responses

chlorine donates an electron to sodium
chlorine donates an electron to sodium

chlorine exchanges an electron with sodium
chlorine exchanges an electron with sodium

sodium transfers an electron to chlorine
sodium transfers an electron to chlorine

Sodium shares an electron with chlorine
Sodium shares an electron with chlorine
Question 10
Which element gains two electrons to fill its outermost energy level? Remember metals transfer electrons to be stable, nonmentals gain electrons to be stable(1 point)
Responses

Flourine (F)
Flourine (F)

Magnesium (Mg)
Magnesium (Mg)

Oxygen (O)
Oxygen (O)

Lithium (Li)
Lithium (Li)
Question 11
Consider atoms that have different electronegativity. What does the varying (different) electronegativity o atoms in a compound tell you about their interactions?(1 point)
Responses

compound storage
compound storage

valence electrons number
valence electrons number

number of bonds
number of bonds

Type of bond
Type of bond
Question 12
(1 point)
Responses

4 single bonds, 1 double bond
4 single bonds, 1 double bond

6 single bonds and 1 double bond
6 single bonds and 1 double bond

6 single bonds, and 0 double bond
6 single bonds, and 0 double bond

4 single bond and 0 double bond
4 single bond and 0 double bond
Question 13
Which element is most likely to react with Br? Remember: Bromine is a nonmetal so, it is more likely to bond with a metal.(1 point)
Responses

K
K

S
S

Ar
Ar

O
O
Question 14
This question is referring to the acid/base section of this unit.

Which term refers to a substance that changes color when there is a certain concentration of hydrogen ions in a solution

(1 point)
Responses

Indicator
Indicator

titrant
titrant

analyte
analyte

burette
burette

All Answers 1

Answered by GPT-5 mini AI
I can answer most of these, but I’m missing the equation/context for Questions 1, 4, and 12 — please paste the chemical equation or the question text for those and I’ll finish them. For the rest, here are the answers:

2) Covalent bonds shared electrons and Ionic Bonds transferred electrons.

3) NaCl

5) CaBr2

6) H2SO4 + 8HI --> H2S + 4I2 + 4H2O

7) 4NaCl + 2SO2 + 2H2O + O2 ---> 2Na2SO4 + 4HCl

8) sulfate

9) sodium transfers an electron to chlorine

10) Oxygen (O)

11) Type of bond

13) K

14) Indicator

Send the missing equations/text for Q1, Q4, and Q12 and I’ll answer those too.