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
daser333 [38]
3 years ago
12

PLZ HELP 11 and 12 :)))

Chemistry
1 answer:
mars1129 [50]3 years ago
3 0

Answer:

Explanation:

number 12 is magnesium i think which is group lla which is B alkaline earths

You might be interested in
A chemist hypothesizes that mercury oxide (HgO) will undergo a decomposition reaction if it reaches a certain temperature. When
gavmur [86]
Hi, thank you for posting your question here at Brainly.

The independent variable is the variable that you have control of. By changing this variable, the other dependent variables will consequently change. Thus, the independent variable nature of the mercury oxide sample used.
7 0
3 years ago
Twice bill's number added to 17 is 7. What is his number
miskamm [114]
-5.

-5 * 2 = -10
-10 + 17 = 7
6 0
3 years ago
Read 2 more answers
Balance this chemical equation. Choose "blank" for the box if no other coefficient is needed. Writing the symbol implies "1." H2
ololo11 [35]

4H202->2H2O+O2

Hope this helps mate good luck on whatever ur doing

6 0
3 years ago
Read 2 more answers
Plants and animals can build up or break down rock by increasing weathering, erosion, and
alexgriva [62]

Answer:

false

Explanation:

Weathering describes the breaking down or dissolving of rocks and minerals on the surface of the Earth. Water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering.

6 0
3 years ago
Why did the people of chungungo need to use nets to catch moisture in the air
Natali5045456 [20]
Because that's the only way they can
3 0
3 years ago
Other questions:
  • Organisms belonging to the same species can mate and produce fertile offspring. T F
    6·1 answer
  • The physical properties of 10 gram of iron are the same as what property of 20 gram of iron
    10·1 answer
  • Which of the following best accounts for the difference in mutagenic activity between PAHs and PAHs plus liver preparation?
    12·1 answer
  • Fe2o3(s)+3h2(g)→2fe(s)+3h2o(l) Calculate the mass of H2O
    5·1 answer
  • A large dam was constructed across a river to create a reservoir on one side. This led to the sinking of nearby forests, which
    15·1 answer
  • What is the force of an object that has the mass of 5 kg and an acceleration of 50 m/s?
    9·1 answer
  • In a warehouse, the workers sometimes slide boxes along the floor to move them. Two boxes were sliding toward each other and cra
    11·1 answer
  • Class if you are in-person). You will be allowed two
    10·1 answer
  • How many molecules are in a 22.8 gram sample of Methane?
    13·1 answer
  • A change that produces a new substance is a _______ change
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!