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
Marina86 [1]
3 years ago
10

What is the element with 2 protons on the

Chemistry
1 answer:
Paul [167]3 years ago
7 0

Answer:

Helium

Explanation:

You might be interested in
Three reasons for air is mixture and water is compound
zhannawk [14.2K]
1. air components change from place to place, while water will just stay the same

2. Water doesn't have nor show individual properties, but air does show that it has it's own property

3. You can separate different gases from air physically, but with water you must pass electricity through it.

Don't take my word for it, this is just what I learned back in middle school. 
8 0
3 years ago
Read 2 more answers
LINKS WILL BE BLOCKED AND REPORTED PLS HELP
PtichkaEL [24]

Answer: c

Explanation: c.

7 0
3 years ago
What is the relationship between temperature and the rate of a chemical reaction?
finlep [7]

Answer:

When we increase the temperature of one of the reactants in a chemical reaction, this increases the particles kinetic energy, making them move much faster than they were before. This also increases the chance of a more successful collision and the rate of reaction.

Explanation:

Your Welcome

6 0
4 years ago
500.0 mL of a gas is collected at 745.0 mm Hg. what what will the volume be at standard pressure
Irina-Kira [14]
This is an application of Boyle's law:
P₁V₁ = P₂V₂. we don't have to convert volume and pressure to standard forms. we can even use the pressure with mmHg
1 atm = 760 mmHg 
V₂ = P₁V₁ / P₂ = 745 x 500 / 760 = 490 ml
Note that here we assume constant temperature
6 0
3 years ago
Write formulas for the binary ionic compounds formed between the following elements: a. Potassium and iodine b. Magnesium and ch
lianna [129]

i think it's B Magnesium and chlorine



5 0
3 years ago
Other questions:
  • A sports car and a fully loaded semi truck pull side by side at a red light. Using your knowledge of acceleration, predict which
    12·1 answer
  • Someone please answer this.
    5·2 answers
  • What conductors transfer heat from a higher temperature to a lower temperature through direct contact?
    7·1 answer
  • After 4 half-lives 10 grams of uranium remains. How much uranium did you start with?
    7·1 answer
  • when water reaches its boiling point and turns into water vapor what happens to its molecular structure
    5·1 answer
  • Instructions:
    14·1 answer
  • A substance has a molecular formula of C8H10N4O2
    10·1 answer
  • A student observes that a ray of light bends where it passes from glass into water. What best explains this phenomenon? O The pr
    11·1 answer
  • What is the generic equation for a combustion reaction?
    10·1 answer
  • If 100mL was diluted of a 2.0 M solution of sodium chloride by adding an additional 100 mL of water, what would the new molarity
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!