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
Licemer1 [7]
3 years ago
14

Help asap please! I award brainliest immediately

Chemistry
2 answers:
ioda3 years ago
6 0
5 valence electrons yayayaya
grandymaker [24]3 years ago
3 0

Answer: Arsenic has five valence electrons.

Explanation: Good luck!

You might be interested in
If there are three methyl groups on the same carbon, what is the prefix<br> used?
Tanzania [10]

Answer:

tri

Explanation:

1-nothing

2-di

3-tri

- Hope that helps! Please let me know if you need further explanation.

6 0
3 years ago
What is the balanced chemical equation when an aqueous solution of calcium hydroxide reacts with liquid water?
Dmitrij [34]

Explanation:

Equation for Calcium Hydroxide Dissolving in Water | Ca(OH)2 + H2O

7 0
3 years ago
. Which of the following animals is sessile?
storchak [24]

Answer:

A) Jellyfish

Explanation:

has a sessile larval stage as a polyp, leading to a motile stage as they reach maturity. Conversely, organisms such as barnacles have a motile, pelagic larval stage and become sessile in their adult life

4 0
3 years ago
Read 2 more answers
How can endothermic and exothermic reactions help others (society)
AnnZ [28]
Here try this presentation, it should help :) 

https://prezi.com/6ofdo3fadl9a/exothermic-and-endothermic-reactions-in-everyday-life/
4 0
3 years ago
Select all the species that are ions.<br><br> HCl<br> NaCl<br> NH4+<br> H2PO4-<br> CCl4<br> H3O+
nata0808 [166]

Answer:

NH₄⁺

H₂PO₄⁻

H₃O⁺

Explanation:

  • An ion is an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
  • Ion may be positively charged "cation" or negatively charged "anion".
  • Neutral molecule has a net charge of zero.

<em>So, the species that are ions are: </em>

NH₄⁺

H₂PO₄⁻

H₃O⁺

4 0
3 years ago
Other questions:
  • Sodium hydrogen carbonate decomposes above 110°c to form sodium carbonate, water, and carbon dioxide. 2nahco3(s) na2co3(s) + h2o
    10·1 answer
  • How do u find ratios of unknown value
    11·1 answer
  • Name at least four other gases in the atmosphere besides oxygen and nitrogen
    7·1 answer
  • Which reaction would cause an increase in entropy? A. SO2Cl2(g) SO2(g) + Cl2(g) B. PCl3(g) + Cl2(g) PCl5(g) C. 2CO(g) + O2(g) 2C
    15·2 answers
  • PLEASE HELP!!!!!! WILL AWARD BRAINLIEST!!!!!!
    9·1 answer
  • Which explains one reason evaporation can be used to separate a mixture?
    12·1 answer
  • The quantities 1 mol and 22.4 L can be used in conversion factors that change moles to volume and volume to moles at STP.
    7·2 answers
  • When liquid water changes into solid ice, it increases in ?
    13·2 answers
  • Calculate the mass in carbon units respectively: 7K , 12Si , 15P
    9·1 answer
  • How many grams are 1.20 x 1025 molecules of calcium iodide?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!