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
Alexxx [7]
3 years ago
12

Consider three elements A B and C all of which have atomic numbers of less then 20. The atomic number of A is x, and the atomic

number of B is three less than the atomic number of A
Element A forms cations with formula A+ and reacts with element C to form a solid substance with the formula AC

What is element A
Which group does element C belong to
Chemistry
1 answer:
Aleksandr-060686 [28]3 years ago
6 0

Answer:

LiH

A is lithium

group 1 or 7

You might be interested in
Cellular respiration involves the use of oxygencarbon dioxide and the release of carbon dioxideoxygen
Reil [10]
Cellular respiration can be thought of as the opposite of photosynthesis.  In cellular respiration oxygen is turned into carbon dioxide  while in photosynthesis carbon dioxide is tuned to oxygen.

I hope this helps. let me know in the comments if anything is unclear. 
3 0
2 years ago
Read 2 more answers
The density of aluminium is 2.7 g/cm3. Find the mass in grams of a bar of aluminum measuring 2.7 cm by 1.2 cm by 14.3 cm.
Fofino [41]

Answer:125.0964g

Explanation:

Density = mass/volume

Density = 2.7 gcm-3

Volume=2.7*1.2*14.3=46.332

Mass=?

Mass= density* volume

= 2.7× 46.332=125.0964g

4 0
3 years ago
The diagram shows a model of the nitrogen cycle. which role do plants play in the nitrogen cycle?
kenny6666 [7]

Answer

D

Explanation:

They take up usable forms of nitrogen found in soil

3 0
2 years ago
Read 2 more answers
Which best describes a semiduranal tide pattern
ad-work [718]
2 high tides and 2 low tides. hope that helped
4 0
3 years ago
What is the molar concentration of 5% acetic acid?
larisa [96]

Answer:Vinegar Is 5% Acetic Acid And Its Molarity Is 0.833M.

Explanation:

yes

3 0
3 years ago
Other questions:
  • A student is working with a 4.95 L sample of carbon dioxide at 22.8°C and 0.956 atm. The student compresses the gas to 1.75 L an
    11·1 answer
  • Write a chemical equation showing how this is an acid according to the arrhenius definition. express your answer as a balanced c
    13·1 answer
  • Patient added a 17-g measured dose of polyethylene glycol 3350 (MIRALAX) to 180 mL of water to use as a laxative. If the volume
    6·1 answer
  • Griffin was walking to school one day and found a old bone. He took it to a scientist friend of his, and after studying the bone
    8·1 answer
  • Write a balanced chemical equation based on the following description:
    9·1 answer
  • An unknown monatomic gas diffuses twice as fast as Br2. What is the identity of this unknown gas?
    14·1 answer
  • - 1. Justin usually blows his nose using Kleenex tissues. His snot keeps leaking through the tissue. He decided he is going to c
    5·1 answer
  • Please Help!!!
    9·1 answer
  • Why are there discontinuities in the interior of the earth...​
    14·1 answer
  • What happens at a convergent boundary?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!