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
KiRa [710]
3 years ago
8

Which metalloid has three valence electrons? 1. Lithium 2. boron 3. silicon 4. aluminum 5. arsenic 

Chemistry
2 answers:
iren [92.7K]3 years ago
5 0

Answer:

boron

Explanation:

kobusy [5.1K]3 years ago
5 0

Answer:

A

Explanation:

Edgenuity

You might be interested in
A)The lower the greenhouse gases, the higher the ocean temperature.
HACTEHA [7]

The higher the greenhouse gases, the higher the ocean temperature

"The ocean absorbs most of the excess heat from greenhouse gas emissions, leading to rising ocean temperatures"

hope this helps :)

6 0
2 years ago
Read 2 more answers
How much sucrose (g) do you need to weight in order to prepare 19.16 g of a 13.1 % (weight percent) solution?
Nonamiya [84]
<span>2.51 grams
   You want to prepare 19.16 g of some solution which will have 13.1% of it's mass being sucrose. So we just need to perform some simple multiplication: 19.16g * 0.131 = 2.50996g
   Rounding to 3 significant figures gives 2.51 g.</span>
3 0
3 years ago
I don't need to know why i just want the awnser
Lubov Fominskaja [6]

Answer:

I remember doing this in 7th,

1. D

2. B or D, more leaning on B though

3. A

4 0
2 years ago
Two categories of compounds are
crimeas [40]

Answer is: (3) ionic and molecular.

Ionic compounds are made of ions held together with ionic bonds.

Ionic bond forms when a cation transfers its extra electron to an anion who needs it.  

For example compound magnesium chloride (MgCl₂) has ionic bond (the electrostatic attraction between oppositely charged ions).  

Magnesium (metal) transfers two electrons (became positive cation) to chlorine (became negative anion).  

Molecular compounds are made up of molecules whose atoms are connected with covalent bonds.

Covalent bond is bond between nonmetals.  

For example, molecule carbon monoxide CO has covalent bond.

Carbon (C) and oxygen (O) are nonmetals.  

Carbon atom and oxygen atom are connected by a triple bond (six shared electrons in three bonding molecular orbitals) that is formed of two covalent bonds and one dative covalent bond.  

4 0
2 years ago
Read 2 more answers
Please Help! It says fill in the blanks to complete the Punnett square below to show the results of a cross between a homozygous
makkiz [27]

Answer:

Genotypes: Homozygous (GG)=50%, Heterozygous (Gg)=50%.

Phenotypes: Homozygous gray (GG)=50%, Heterozygous gray (Gg)=50% or just Gray=100%

Explanation:

Hello,

The Punnett square for this cross turns into:

\left[\begin{array}{ccc}&G&g\\G&GG&Gg\\G&GG&Gg\end{array}\right]

It means that the genotypes and phenotypes are:

Genotypes: Homozygous (GG)=50%, Heterozygous (Gg)=50%.

Phenotypes: Homozygous gray (GG)=50%, Heterozygous gray (Gg)=50% or just Gray=100%

Best regards.

4 0
2 years ago
Other questions:
  • Use of fractional distillation ?
    7·1 answer
  • Solve by a 1 variable equation -3(x-3)=x+9-4x
    10·1 answer
  • Planetesimal definition
    9·2 answers
  • What is the unknown metal if the temperature of a beaker of 100ml of water was raised 17c to 19 c when 21 grams of the metal at
    10·1 answer
  • Use the information from the diagram to calculate the enthalpy of combustion for methane. (HELP ASAPPP!!)
    13·1 answer
  • What coefficient should be used to make the following equation balanced? N2+O2--&gt; _NO
    11·1 answer
  • Tray yucouum<br>82 (3x - 2)2 dx<br>a.<br>140<br>b. 120<br>C.<br>104<br>d. 100​
    6·1 answer
  • Describe how you could show by adding aqueous sodium hydroxide and aqueous ammonia that a solution contained zinc ions.
    10·1 answer
  • Chemistry help!
    6·1 answer
  • Why are there sometimes warm days during a cold winter? (not chemistry, its actually science)
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!