Question 1

Predict the formula for the binary compound formed between potassium and sulfur.

Accepted Answer

The answer of Predict the formula for the binary compound...

Question 2

How many electrons, protons, and neutrons are in a neutral atom of the following isotope of calcium?

Accepted Answer

20 electrons, 20 protons, and 24 neutrons

Question 3

In a cathode ray tube

Accepted Answer

A)  electrons pass from the anode to the cathode.
B)  electrons pass from the cathode to the anode.
C)  protons pass from the anode to the cathode.
D)  protons pass from the cathode to the anode.E) A) and B)
F) All of the above

Question 4

How many electrons, protons, and neutrons does an iron-55 atom have?

Accepted Answer

26 electro...

Question 5

Give the number of protons (p) , electrons (e) , and neutrons (n) in one atom of nickel-62.

Accepted Answer

A)  28 p, 28 e, 28 n
B)  28 p, 28 e, 34 n
C)  62 p, 28 e, 28 n
D)  62 p, 62 e, 28 nE) All of the above
F) A) and B)

Question 6

Name the following compound: KCl.

Accepted Answer

The answer of Name the following compound: KCl....

Question 7

Rutherford's experiment with alpha particle scattering by gold foil established that

Accepted Answer

A)  protons are not evenly distributed throughout an atom.
B)  electrons have a negative charge.
C)  electrons have a positive charge.
D)  atoms are made of protons, neutrons, and electrons.
E)  protons are 1840 times heavier than electrons.F) A) and E)
G) A) and B)

Question 8

The mineral manganosite is a compound of manganese-55 and oxygen-16. If 77% of the mass of manganosite is due to manganese, what is the empirical formula of manganosite?

Accepted Answer

A)  MnO
B)  Mn2O
C)  Mn2O2
D)  MnO2
E)  none of theseF) All of the above
G) B) and E)

Question 9

An anion is defined as

Accepted Answer

A)  a charged atom or group of atoms with a net negative charge.
B)  a stable atom.
C)  a group of stable atoms.
D)  an atom or group of atoms with a net positive charge.E) B) and D)
F) B) and C)

Question 10

What is the formula for the ionic compound formed by calcium ions and nitrate ions?

Accepted Answer

A)  Ca3N2
B)  Ca(NO3) 2
C)  Ca2NO3
D)  Ca2NO2
E)  CaNO3F) A) and D)
G) A) and B)

Question 11

How many protons are there in one atom of uranium?

Accepted Answer

The answer of How many protons are there in one...

Question 12

Give the formula of calcium phosphate.

Accepted Answer

Ca₃(PO₄)₂

Question 13

Write the formula of ammonium chlorate.

Accepted Answer

The answer of Write the formula of ammonium chlorate....

Question 14

Use the following to answer questions 
-Use the periodic table above to show where the nonmetals are located.

Accepted Answer

The answer of Use the following to answer questions 
-Use...

Question 15

Predict the formula for the binary compound formed between barium and phosphorus.

Accepted Answer

A)  BaP
B)  Ba2P
C)  BaP2
D)  Ba2P3
E)  Ba3P2F) C) and D)
G) None of the above

Question 16

What is the total number of atomic particles (protons, neutrons, and electrons)in an atom of 3H?

Accepted Answer

Question 17

Marie Curie suggested the name "radioactivity" to describe the spontaneous emission of particles and/or radiation.

Accepted Answer

A) True 
 B)False

Question 18

The table below describes four atoms.  Which atoms represent the same element?

Accepted Answer

Atoms A and D repres...

Question 19

Write the formula of lead(II)chloride.

Accepted Answer

PbCl<sub>2</sub>

Question 20

Which of the following elements is chemically similar to potassium?

Accepted Answer

A)  calcium
B)  arsenic
C)  phosphorus
D)  cerium
E)  cesiumF) A) and B)
G) A) and C)

Exam 2: Atoms, Molecules, and Ions

Predict the formula for the binary compound formed between potassium and sulfur.

Correct AnswerverifiedShow Answer

How many electrons, protons, and neutrons are in a neutral atom of the following isotope of calcium?

Correct Answerverified20 electrons, 20 protons, and 24 neutrons

In a cathode ray tube

Correct AnswerverifiedShow Answer

How many electrons, protons, and neutrons does an iron-55 atom have?

Correct Answerverified26 electro...View AnswerShow Answer

Give the number of protons (p) , electrons (e) , and neutrons (n) in one atom of nickel-62.

Correct AnswerverifiedShow Answer

Name the following compound: KCl.

Correct AnswerverifiedShow Answer

Rutherford's experiment with alpha particle scattering by gold foil established that

Correct AnswerverifiedShow Answer

The mineral manganosite is a compound of manganese-55 and oxygen-16. If 77% of the mass of manganosite is due to manganese, what is the empirical formula of manganosite?

Correct AnswerverifiedShow Answer

An anion is defined as

Correct AnswerverifiedShow Answer

What is the formula for the ionic compound formed by calcium ions and nitrate ions?

Correct AnswerverifiedShow Answer

How many protons are there in one atom of uranium?

Correct AnswerverifiedShow Answer

Give the formula of calcium phosphate.

Correct AnswerverifiedCa3(PO4)2

Write the formula of ammonium chlorate.

Correct AnswerverifiedShow Answer

Use the following to answer questions -Use the periodic table above to show where the nonmetals are located.

Correct AnswerverifiedShow Answer

Predict the formula for the binary compound formed between barium and phosphorus.

Correct AnswerverifiedShow Answer

What is the total number of atomic particles (protons, neutrons, and electrons)in an atom of 3H?

Correct AnswerverifiedShow Answer

Marie Curie suggested the name "radioactivity" to describe the spontaneous emission of particles and/or radiation.

Correct AnswerverifiedShow Answer

The table below describes four atoms. Which atoms represent the same element?

Correct AnswerverifiedAtoms A and D repres...View AnswerShow Answer

Write the formula of lead(II)chloride.

Correct AnswerverifiedPbCl2

Which of the following elements is chemically similar to potassium?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified
20 electrons, 20 protons, and 24 neutrons

Correct Answer
verified

Correct Answer
verified
26 electro...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Ca₃(PO₄)₂

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

What is the total number of atomic particles (protons, neutrons, and electrons)in an atom of ³H?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Atoms A and D repres...
View Answer

Correct Answer
verified
PbCl₂

Correct Answer
verified