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
iris [78.8K]
3 years ago
13

An element with 7 electrons and 8 neutrons has an atomic mass of?? 7, 8, or 15??

Chemistry
1 answer:
Alik [6]3 years ago
8 0

Answer: 15

Explanation:

To find the atomic mass, you add the number of protons and neutrons. The number of electrons is the same as the number of protons

You might be interested in
Which cell structures does this fish embryo cell contain? Select all that apply.
Katyanochek1 [597]

Answer:

Nucleus,mitochondria,& cell membrane

6 0
3 years ago
Can someone please help me on this
SCORPION-xisa [38]

Answer:

C i took the test as well and i reambee i lern this in class

Explanation:

Hope it helps and mark me brainlest answer

3 0
2 years ago
Read 2 more answers
লবণ ও বালুর মিশ্রন পরীক্ষা<br>​
bija089 [108]

Answer:

cause it has more

space between molecules.

O C. Ice has a higher density than li

Explanation:

3 0
3 years ago
What is the difference b/w thermodynamic cycle and mechanical cycle
const2013 [10]
In a mechanical cycle, mechanical energy (mostly the the rotation) is used to get the desired result. The form of energy remains the same. 
<span>In a thermodynamic cycle heat is converted to mechanical energy. That is to say there is conversion of energy.</span>
4 0
3 years ago
Lemon juice has a pH of 2. What is the hydrogen ion concentration of lemon juice?
saw5 [17]
PH = −log [H+] = − log [5.4 × 10−3] ≈ 2.27 or 2.3.
or basically 2
7 0
3 years ago
Other questions:
  • What does it mean when your teacher wants you to round 143 to two significant figures
    6·1 answer
  • Need help on number 14 please and thank u so much
    10·1 answer
  • Write the appropriate symbol for each of the following isotopes: (a) Z 11, A 23; (b) Z= 28, A= 64; (c) Z= 50, A =115; (d) Z= 20,
    8·2 answers
  • The Loch Ness monster is a sea serpent that is thought to live in a lake in
    10·2 answers
  • Malia was able to make a paperclip float on the surface of water. What will most likely happen to the paperclip if a drop of dis
    13·1 answer
  • F2(g)+2Br(aq)=Br(t)+F(aq)<br> which species is redused?<br> a)F<br> b)Br<br> c)F2<br> d)Br2
    15·1 answer
  • Now imagine that you're waiting for your soup to cool down, and you leave it on the counter while you go do your homework. Your
    12·1 answer
  • How many atoms are there in 4500 grams of sulfur(s)?plaease help
    8·1 answer
  • MAKE A POSTER OR SLIDES OF THE FOLLOWING INFORMATION
    13·1 answer
  • PLeas Answer with A B C or D please be QUICK :&gt;
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!