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
Ann [662]
3 years ago
14

2 Which compound has covalent bonds? * O (1) H20 (2) Li20 (3) Na,o (4) K,0

Chemistry
1 answer:
Leokris [45]3 years ago
8 0

Answer:

1) H2O

Explanation:

this is because there is a bond between two nonmetals, Hydrogen and oxygen,  so the bond is covalent. all the other are bonds between a metal and nonmetal so it is ionic.

You might be interested in
You take a balloon and stick it in a refrigerator. The temperature inside the refrigerator is 4.0 °C and the temperature in your
Kobotan [32]
 First convert the 2 temperatures to  degrees K:
4   + 273  ---> 277   and 22---> 295

So using Charles' Law

V1 / T1  = V2 / T2
0.50 / 295 = V2 / 277

solving for V2 gives a volume of  0.469 L  to nearest milliliter

4 0
3 years ago
Read 2 more answers
Explain what is happening to the particles’ movement for vaporization.
kari74 [83]
In vaporization, particles become really excited and sort of jiggle around.

(This is by how I understand the question)
8 0
3 years ago
Read 2 more answers
Your teacher Aaditri sharma has invited you to Classroom: Whip - smart Subject: All subjects of class 4,5,6,7 To join the classr
LUCKY_DIMON [66]

Answer:

well what about the password!!

6 0
4 years ago
What two gases have a profound effect on the type of organisms that can live in an area and influences the regions carrying capa
Over [174]

Answer:

Oxygen and Carbon dioxide

Explanation:

Oxygen is required for respiration whereby energy is released from natural occurring nutrients accompanied by the release of water and carbon dioxide. carbon dioxideis also required by plants to photosynthesise.

Oxygen and carbon dioxide in the troposphere supports life as by enabling respiration in organisms and photosynthesise in plants can. Without oxygen in an environment, only life forms that live by anaerobic respiration will thrive. This affects a regions carrying capacity

3 0
3 years ago
What role do aquifers play in the water cycle
Vanyuwa [196]
A aquifer is the underground layer which is composed of water-bearing rocks. Sandstone, sands, gravel, and other sedimentary rocks are examples of water-bearing rocks. They are permeable and have openings that gases and liquids can pass through. In a water cycle, a water will be added to the aquifer during the precipitation.
7 0
3 years ago
Other questions:
  • The rate of disappearance of HBr in the gas phase reaction 2 HBr(g) → H2(g) + Br2(g) is 0.140 M s-1 at 150°C. The rate of appear
    11·1 answer
  • Which element, if combined with chlorine, will have the greatest attraction for the chlorine electrons?
    7·1 answer
  • Help on science please!! Will bark brainliest!
    8·1 answer
  • Identify the oxidizing agent and the reducing agent for 4Li(s) + O_2 (g) to 2Li_2O(s).
    8·1 answer
  • Based on periodic properties, identify a molecule, X2, that is likely to react with Sr in a way similar to how Cl2 reacts with S
    6·1 answer
  • What is the most metallic item on the pterotic table
    11·2 answers
  • When sodium atoms form sodium ions, that what?
    14·1 answer
  • Calcium carbonate decomposes to form calcium oxide and carbon dioxide, like this:
    6·1 answer
  • A student measured the pH of five different solutions. Match each pH with the term that best describes each solution.
    9·2 answers
  • The element X has three naturally occurring isotopes. The masses (amu) and % abundance of the isotopes are given in the table be
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!