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
An apple appears red when struck by white light. This appearance is because the red light is reflected and the other colors are
Mice21 [21]
The answer is a. Black
6 0
2 years ago
Would you sit with this person at the lunch table?
Kipish [7]

Answer:

Sure because I need more friends

7 0
3 years ago
Read 2 more answers
What kingdom do fungi belong
miv72 [106K]
They’re Eukaryotic/ the Eukarya kingdom
Hope this helps :)
8 0
3 years ago
What type of bonding occurs in potassium oxide, k2o?
Naya [18.7K]
Would be considered as an iconic bond.
6 0
3 years ago
What is the atomic number for an element whose mass number is 78,
Ann [662]

Answer:

protons = atomic numbermass number = protons + neutronsatomic number = mass number - neutrons = 78-38 = 40

Explanation:

5 0
2 years ago
Read 2 more answers
Other questions:
  • Can you place the following elements in order of decreasing atomic size: selenium, chlorine, fluorine, rubidium, calcium, and su
    14·2 answers
  • How many molecules in n2o2 molar mass is 92.02g
    9·1 answer
  • A single population is made up of?
    13·1 answer
  • An element has atomic number 12. What is its Valenc? Will it form Cation or Anion? Is it metal or nonmetal?
    8·1 answer
  • Part of making comparisons involves contrasting unlike characteristics.
    11·2 answers
  • Specify which atoms, if any, bear a formal charge in the Lewis structure given and the net charge for the species. Be sure to an
    13·1 answer
  • What is the mass of oxygen gas in a 16.8 l container at 23.0◦c and 2.50 atm? answer in units of g?
    9·1 answer
  • PLEASE HELP WILL GIVE BRAINLIEST
    12·1 answer
  • Type the correct answer in the box. Isopropanol (C3H8O) is a key ingredient in some hand sanitizers. Suppose that 127 grams of i
    15·1 answer
  • What chemical bonds stabilize the different structures in primary, secondary, tertiary and quaternary structures?.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!