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
Vikki [24]
2 years ago
12

A pentavalent cation atom has 20 and 15 neutrons as protons. Find the electron quantity and mass number respectively. (40 pts.)

a) 20 and 15 b) 15 and 20 c) 15 and 35 d) 35 and 15 e) 10 and 20
Chemistry
1 answer:
balandron [24]2 years ago
5 0

Answer:

C.

Explanation:

Since the mass number is the number of protons and neutrons added together, the answer is 35. Since the questions are respectively electron quantity and mass number, the only answer choice with 35 as the second choice is C, so that is the correct answer.

You might be interested in
Select the correct answer.
Elina [12.6K]

Answer:

CU

Explanation:

Cu is the correct answer if I'm correct

4 0
1 year ago
¿Qué pasaría si un organismo o animal fuera eliminado de una red alimentaria?
34kurt

Answer: Sí

Explanation: Sí

4 0
3 years ago
Please help me with this answer correct
oksano4ka [1.4K]

Answer:

hope this helps :)

Explanation:

for the first one, you can look at the periodic table and look at the atomic number and it will show you how many protons there are giving you the answer because protons and electrons are equal in a pure element

a- carbon

b- neon

c- boron

d- oxygen

e- helium

f- hydrogen

g- lithium

h- beryllium

i- nitrogen

1- sulfur

2- S

3- 16

4- 32.066

5- 16

6- 16

7- 16.066

8- draw circles and put 16 dots like on the other page and in the middle put 16 nuetrons and electrons

9- 6 i think

5 0
2 years ago
Read 2 more answers
How many chlorine (CI) atoms are in Methylene?​
Aleks04 [339]

Answer:

None

Explanation:

Methylene is an organic compound and organic compounds consist of hydrogen atoms and Carbon atoms in n this case Methylene(CH2) has one carbon and two hydrogens .

6 0
2 years ago
Read 2 more answers
No I don’t have a question
Nikitich [7]

Answer:

then why'd you ask a question

Explanation:

3 0
2 years ago
Other questions:
  • At this pressure, how many molecules of air would there be in a 20 ∘C experimental chamber with a volume of 0.020 m3 ?
    5·1 answer
  • Given the partial equation:
    9·1 answer
  • To which class of elements does copper (cu) belong: metal, metalloid, or nonmetal? identify three other elements in this class.
    7·1 answer
  • What is the number of atoms per unit cell for each metal?
    10·1 answer
  • Your science teacher gives you three liquids to pour into a jar. After pouring, the liquids layer as seen here. What property of
    8·2 answers
  • Identify the independent variable and the dependent variable in each of the following hypothesis
    13·2 answers
  • The total momentum of a group of objects remains________ unless outside forces act on the group.
    6·1 answer
  • How many grams are in 9.4 moles of NO2?​
    13·1 answer
  • What is the theoretical yield of cyclohexene (in grams) that could be formed from 0.105 moles of cyclohexanol and 0.0444 moles o
    6·1 answer
  • Determine the percent yield forthe reaction between 82.4 g of Rband 11.6 g of O2 if 39.7 g of Rb2Ois produced
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!