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
Dima020 [189]
4 years ago
12

Which of the following are elements nd which are compounds H2,HCI,Na,Al2O3,H2O

Chemistry
1 answer:
stepan [7]4 years ago
6 0
H2-element
HCl-compound
Na-element
Al2O3-compound
H2O-compound
You might be interested in
Which statement best reflects a change in weather
Maurinko [17]
Option A. is the best answer
4 0
3 years ago
Read 2 more answers
Group viia elements are very active non metals give reason​
Marianna [84]

Answer:

because they need only one electron

4 0
3 years ago
In an Honors organic chemistry lab, a student devised an experiment in which she would treat benzoic acid with t-butanol in an a
oksian1 [2.3K]

Answer:

Check the explanation

Explanation:

Kindly check the attached images below to see the step by step explanation to the question above.

8 0
3 years ago
A hot air ballon will rise in air because:
solmaris [256]

Answer: C

Explanation:

Hot air is a lot less dense for a few reasons. Hot air essentially means the particles have more kinetic energy, and move around a lot more. Cold air is dense because the particles move a lot less, have less energy, and are closer together.

7 0
3 years ago
Read 2 more answers
As the concentration of a KOH solution increases, the number of moles of HCl needed to neutralize the KOH solution?
Soloha48 [4]

B) increasesAnswer:

Explanation:

8 0
3 years ago
Other questions:
  • The elements in group 5 of the periodic table all have
    15·1 answer
  • The reason why iodine sublimes
    14·1 answer
  • A 0.500-g sample of chromium metal reacted with sulfur powder to give 0.963 g of product. Calculate the empirical formula of the
    10·1 answer
  • What is symmetrical alkene​
    13·1 answer
  • Which element was first discovered in space before it was discovered on Earth?
    8·2 answers
  • What mass of NaOH would need to be dissolved in 500.0 mL of water to produce a solution with a pH of 12.40
    12·1 answer
  • Why are experimental investigations the best type of scientific investigation to demonstrate cause-and-effect relationships? ple
    15·1 answer
  • show that the molecular formula of urea is CH4ON2 if the %by mass of 02 atoms is one mole of urea molecule is 26.66%
    9·1 answer
  • Which of the following species cannot be adequately described by a single lewis structure?
    5·1 answer
  • Hello people ~
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!