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
Diano4ka-milaya [45]
3 years ago
13

How do you calculate average atomic mass?

Chemistry
1 answer:
IrinaVladis [17]3 years ago
4 0
To calculate the average atomic mass, Multiply the fraction by the mass number for each isotope, then add them together. Hope this helps. :)
You might be interested in
Please help me which one
mel-nik [20]
Non of the above because protons and neutrons don’t mix with each one there
3 0
2 years ago
Activity 7: Crossword Puzzle
Ivenika [448]

Answer:

Across

2. Conduction.

3. Plates

4. Convection

5. Subduction

7. Earthquake

Down

1. Radioactive

6. Radiation

8. Sink

9. Slabpull

The clues are;

Across:

2. air molecules come in contact with warmer molecules

3. crust are made up of puzzle - like landmass called_____

4. rising and falling movement of material in the mantle

5. when tectonic plates push with each other

7. it is the result of movement of earth's plate

Down:

1. elements that play a vital role in Earth's internal heat

6. least important mode of heat transport

8. warm material rise; cool material______

9. heats build up underneath the crust

4 0
3 years ago
What kingdom would an organism be in if it was unicellular and contained no nucleus
Ksivusya [100]
Kingdom Monera, organisms in this Kingdom are prokaryotes, they don't have a nuclear envelope, thus they have a nucleoid. 

7 0
3 years ago
Ph of 10 -4 M HCL solution
Fiesta28 [93]
The HCl is a strong acid, that is, it is fully consumed <span>in the reaction.

HCl(aq) ------------> H</span>₃O⁺(aq)   + Cl⁻(aq)
 ↓                                ↓               ↓
10⁻⁴ M                      0                    0
-10⁻⁴                  +10⁻⁴              +10⁻⁴
_____________________________________
0                        + 10⁻⁴  M      <span> + 10⁻⁴  M

PH = - log [ H</span>₃O⁺ ]

PH = - log [ <span>10⁻⁴]

<span>PH =  4.0</span></span>
7 0
4 years ago
When does a cold front develop? A. when two masses of warm air meet B. when a cold air mass invades a warm air mass C. when two
uranmaximum [27]

B. when a cold air mass invades a warm air mass

6 0
3 years ago
Read 2 more answers
Other questions:
  • What is the product when magnesium reacts with nitrogen? Mg(s) + N2(g) →
    15·1 answer
  • Please help me with these two questions
    11·1 answer
  • A piston containing 0.120moles of methane gas, CH4, has a volume of 2.12liters. If methane is added until the volume is increase
    6·1 answer
  • Would a false positive from the reaction between the inoculating loop and hydrogen peroxide
    7·1 answer
  • In a titration experiment, how many moles of naoh will be required to completely neutralize 1 mole of nitric acid?
    7·2 answers
  • Most non-metals are (check all that apply)<br><br><br> solids<br><br><br> liquids<br><br><br> gases
    13·1 answer
  • Help me plsssssssssssssssssssss
    15·1 answer
  • Consider the following reaction: 4Fe + 302 → 2Fe2O3. What mass of iron(III) oxide would
    10·1 answer
  • Seleect the acid-base reaction.
    14·2 answers
  • The normal boiling point of fingernail polish remover is 56℃. what is the vapor pressure of fingernail polish remover at the sal
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!