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
Murljashka [212]
3 years ago
8

If the atomic number of an element is 9 and the mass number is 19, how many neutrons does the atom have? 10 9 19 28 1 points

Chemistry
1 answer:
IRINA_888 [86]3 years ago
6 0
Remember....

mass number= atomic number + number of neutrons

If the mass number is 19 and the atomic number is 9, then the number of neutrons is 19-9 which is 10.


You might be interested in
Viruses are not considered living things because they are not cellular and they __________.
Virty [35]
Must have host cell to reproduce
8 0
3 years ago
In ADEF, the measure of F=90°, the measure of ZD=10, and EF = 94 feet. Find the
Flauer [41]

Answer:

answer. the measure. is f=90 the equbaliint is 180

Explanation:

yan ang sagot ko

3 0
3 years ago
Which best describes the geologic time scale? (choose the best answer from below)
Evgen [1.6K]

Answer: B) It presents the correct sequence of events in Earth’s history.

Explanation: edge 2021

5 0
3 years ago
In a chemical formula such as C6H12O6 and H2O, what do you call the little numbers below the normal line of text.
Morgarella [4.7K]

These are called subscript number.

That is the number below the normal line of test are called subscript number.

This number indicate the indicate the number of atoms of the element present in the chemical formula.

In both of these C₆H₁₂O₆ and H₂O, the number written below the line of the text are called subscript numbers.

3 0
3 years ago
Read 2 more answers
Choose all the answers that apply.
Rashid [163]
B:Creates energy through fusion reactions
7 0
3 years ago
Read 2 more answers
Other questions:
  • according to the law of conservation of , the number of atoms in the products of a chemical and equation must be balanced with t
    7·1 answer
  • Is NCI3 polar ??????
    11·1 answer
  • An atom is neutral because it has the same number of positively charged protons as<br> it has
    11·1 answer
  • If a sample of oxygen occupies a volume of 85.0 L at a pressure of 67.4 kPa and a temperature of 245K , what volume would the ga
    11·1 answer
  • List in ascending order the different layers of atmosphere, their heights, and main their features. Help please!!! :•)
    8·1 answer
  • What two particles must a substance particles exhibit in order to conduct electricity
    5·1 answer
  • Given the following equation: 8 Fe + S 8  8 FeS
    15·1 answer
  • Write the correct name for each compound. a. N2O5 b. Si2F4 c. S3F d. OF2 e. H4P6 f. C2O4 g. HF3
    8·1 answer
  • Question 16
    9·2 answers
  • Which is the correct molar mass for the compound h2SO4
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!