1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ivahew [28]
3 years ago
7

In the nucleus of an atom, there are 17 protons and 18 neutrons. What is the atomic number? What is the atomic mass? How many el

ectrons are there?
Chemistry
1 answer:
zvonat [6]3 years ago
3 0

Answer:

atomic number =17

mass number = 17+18= 35

You might be interested in
Really need help now please help!!
Zielflug [23.3K]
I'm sorry but the picture isn't clear enough
7 0
3 years ago
Identify a cation. An atom that has gained a proton. An atom that has lost an electron. An atom that has gained an electron. An
iren2701 [21]

the answer would be B an atom that has lost an electron

8 0
2 years ago
Based on the molecular formula, determine whether each compound is an alkane, alkene, or alkyne. (Assume that the hydrocarbons a
topjm [15]

Answer:

a. alkyne

b. alkane

c. alkyne

d. alkene

Explanation:

The general formula for each class of compound is given below

Alkane: C_nH_{2n+2}

Alkene: C_nH_{2n}

Alkyne: C_nH_{2n-2} (assuming single multiple bonds)

Now let us classify according to the above formulas:

a. It has two hydrogen atoms less than the two times of carbon atoms hence, it's alkyne

b. It has two hydrogen atoms more than the two times of carbon atoms hence, it's alkane

c. It has two hydrogen atoms less than the two times of carbon atoms hence, it's alkyne

d. It has hydrogen atoms two times of carbon atoms hence, it's alkene

5 0
3 years ago
Read 2 more answers
Match the following numbers with the correct number of significant digits they possess. Answers may repeat. (4 points)
mezya [45]

(B. 3) 172 All nonzero digits are significant.

(A. 4) 450.0 x 10^3 Trailing zeroes after the decimal point are significant.

(A. 4) 3427 All nonzero digits are significant.

(B. 3) 0.0000455 Leading zeroes are not significant.

(B. 3) 0.00456 Leading zeroes are not significant.

(C. 5) 2205.2 Zeroes between nonzero digits are significant.

(C. 5) 107.20 Trailing zeroes after the decimal point are significant.

(B. 3) 0.0473 Leading zeroes are not significant.

8 0
3 years ago
The red balls represent _____ and have a positive charge.
AysviL [449]
The answer is protons. Neutrons have no charge and electrons have a negative charge so the positive charge must be protons.
4 0
3 years ago
Other questions:
  • Determine the number of moles of carbon dioxide gas, water, and sodium chloride formed by the reaction of 42.0 grams of sodium b
    8·1 answer
  • Ray puts a glass of ice water on the table. One hour later he observes that only water is left in the glass. What happened?
    7·2 answers
  • Why does a permeable rock weather chemically at a fast rate?
    13·1 answer
  • How do I find the chemical formula?
    8·1 answer
  • HELP NOW!!Why is it important to classify living organisms?
    12·1 answer
  • Help please I really need it. :(
    15·1 answer
  • Which era did we live on in 2008
    9·2 answers
  • Plsssss help !! what are the steps to convert from atoms, compounds, formula units, ect to moles
    14·1 answer
  • 2 1.2.4 Quiz: Units and Measurement
    6·1 answer
  • A student massed an unknown sample and found it to be 23.5g. The volume of the sample is 2.00mL. Calculate the density
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!