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
lana [24]
1 year ago
8

PLS I WILL GIVE BRAINLY How do the number of violence electrons of the light metals compared to those heavier than boron

Chemistry
1 answer:
SCORPION-xisa [38]1 year ago
4 0

The valence electron of the light metals are all in the range of 1 to 3.

<h3>What are Valence electron ?</h3>

Valence Electron is the number of electrons in the outer shell of an atom which participate in bond formation.

Number of Valence Electron in Boron is 3 and other light metals lighter than Boron have 1 , 2 of Lithium and Beryllium respectively,

The valence electron of the light metals are all in the range of 1 to 3.

To know more about Valence Electron

brainly.com/question/12717954

#SPJ1

<h3 />
You might be interested in
How did life begin? need asap
stealth61 [152]
Birds and bees. Adam and Eve
4 0
3 years ago
Read 2 more answers
Write a balanced net ionic equation for the following reaction: SrCl2(aq) + H2CO3(aq) → SrCO3(s) + HCl (aq)
max2010maxim [7]
  We will balance the equation in the following order: metals, amethals, carbon, hydrogen and oxygen (the most common order).
  The metal present in the equation is Sr, which is already balanced (there are 1 on each side of the equation).
  The amethal present in the equation is Cl. There is 2 Cl in the left side and only one in the right side. So, we will multiply the quantity of the molecule that contains Cl by 2. Doing this, we'll obtain:

SrCl_2_{(aq)}+H_2CO_3_{(aq)}\to SrCO_3_{(s)}+2HCl_{(aq)}
 
  Looking at the equation, we can see that it is now fully balanced. Hence, a balanced equation of the reaction is:

SrCl_2_{(aq)}+H_2CO_3_{(aq)}\to SrCO_3_{(s)}+2HCl_{(aq)}
5 0
2 years ago
1. An electric power plant uses energy from burning coal to generate steam at 450 °C. The plant is cooled by 20 °C water
kap26 [50]

Answer:

Explanation:

Efficiency of the electric power plant is e=1-\frac{T_{2}}{T_{1}}

Here Temperature of hot source T_{1} = 450^{o}C=450+273=723 K

and Temperature of sink T_{1} = 20^{o}C=20+273=293 K

Hence the efficiency is  e=1-\frac{293}{723}=0.5947=59.47%

Now another formula for thermal efficiency Is

e_{therm}=\frac{Q_{1}-Q_{2}}{Q_{1}}=\frac{W}{Q_{1}}

Here QI is the of heat taken from source 100 MJ ; Q2 of heat transferred to the sink (river) to be found

W is the of work done and W = QI -Q2

Hence Frome_{therm}=\frac{Q_{1}-Q_{2}}{Q_{1}}=\frac{W}{Q_{1}}

W=e(Q_{1})=(0.5947)(100)=59.47MJ

Hence the of heat transferred to the river Is Q_{2} -W = (100 -59.47=40.53

6 0
3 years ago
Please complete the sentence. You can separate the parts of any mixture by using _____________ processes.
elena55 [62]
I believe the answer is filtration.
5 0
3 years ago
Read 2 more answers
Which feature of a map shows the relationship between a distance on a map and that distance on Earth? key scale grid system comp
fiasKO [112]

Answer:

Scale is the right answer

Explanation:

The  scale is a sentence that relates distance on the map to distance on Earth

8 0
2 years ago
Read 2 more answers
Other questions:
  • Which is the best acid to use in the preparation of a buffer with ph = 3.3?
    8·1 answer
  • The accepted value for the molar volume of a gas is 22.4 L. Sarah's experimental data indicated that a mole of a gas had a volum
    5·1 answer
  • reactant --&gt; product if their are 4 grams of reactant, how many grams of product are produced by the chemical reaction
    7·2 answers
  • A basketball weighs approximately 1.35 kg. What is this mass in grams (g)?<br><br> step by step
    9·1 answer
  • Please Help mE!!!!!!!!!!!!!!!!!!!!!!
    10·2 answers
  • How many grams of CO₂ will be produced from 7.00 g of C₃H₈ and 98.0 g of O₂?
    9·1 answer
  • In a constant‑pressure calorimeter, 70.0 mL of 0.770 M H2SO4 is added to 70.0 mL of 0.420 M NaOH. The reaction caused the temper
    9·1 answer
  • Help please it’d be greatly appreciated lol
    12·2 answers
  • For all the chemistry people out there. Explain why Benzene is more stable that 1,3,5-hexatriene? ...?
    11·1 answer
  • The electron configuration of an element is 1s22s22p63s1 Describe what most likely happens when an atom of this element comes ne
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!