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
SOVA2 [1]
3 years ago
7

Please help!! On a timer!! If you can help me with any of the following questions please, I'm lost.

Chemistry
1 answer:
vaieri [72.5K]3 years ago
4 0

Answer:

3. Answer= Neon (Ne) is the Group 8A chemical element that has atomic number 10 and mass 20.1797.

You might be interested in
What is the molar mass of a substance
aleksandrvk [35]
<span>47.88 g/mol is the awsner your welcome</span>
3 0
3 years ago
Read 2 more answers
Which element is most plentiful in Earth's crust?
dem82 [27]

Answer:

Oxygen is the most contain in earth but you asked in a,b,c and d. So I'll choice A. aluminium.

5 0
2 years ago
Which is the smallest particle into which water (H2O) in a glass can be broken down and still remain water? A. a water molecule
Gnesinka [82]

Answer:-

A. A water molecule

Explanation:-

A molecule is the smallest particle of a compound that retains all it's chemical properties.

Here H2O is a compound. So the smallest particle that will retain all the chemical properties and still remain water is water molecule.

Atoms Hydrogen and Oxygen both have different chemical properties from water H2O and are thus different.

Hydrogen peroxide is different molecule from water. So it is also not water.

6 0
3 years ago
Read 2 more answers
What is meant by collision theory?
Tcecarenko [31]

Answer:

The collision theory states that a chemical reaction can only occur between particles when they collide (hit each other).

<em>h</em><em>o</em><em>p</em><em>e</em><em> </em><em>i</em><em>t</em><em> </em><em>h</em><em>e</em><em>l</em><em>p</em><em>s</em><em>~</em>

4 0
2 years ago
Which of the following chemical reactions will produce a precipitate? *
Zolol [24]

Answer:

A

Explanation:

8 0
3 years ago
Other questions:
  • Please help quickly!! Will give brainiest to the first correct answer when I can!
    7·1 answer
  • If energy Is written on the product side of a chemical reaction, does it indicate that the reaction is endothermic or exothermic
    13·2 answers
  • Write a reaction to describe the behavior of the following substances in water. include all phases.
    14·1 answer
  • Who first determined the value of the avogadros number​
    7·1 answer
  • Write the following isotope in nuclide notation: oxygen-14
    8·1 answer
  • When two ions form an ionic bond, what type of compound is formed?
    9·1 answer
  • What is the answer? I’m stuck
    6·2 answers
  • What are the products in a neutralization reaction A. Two elements B.an acid and a base C. An element and a compound D. A salt a
    7·2 answers
  • What can you do to help reduce Acid Rain? List 5 ways. <br><br> Help me yall!! Imao
    8·1 answer
  • Questions on Electrolysis, pls help if you can!!​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!