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
-Dominant- [34]
3 years ago
14

A calcium atom has two valence electrons. Do you think it will lose two electrons or gain six

Chemistry
1 answer:
stiks02 [169]3 years ago
6 0

Answer:

A calcium atom will lose its two electrons to obtain an octect in its outermost electron shell.

Explanation:

When a calcium atom loses two electrons, it becomes a positive ion. Due to the process of chemical bonding, it is easier for calcium to lose 2 atomes rather than gaining 6 more atoms.

You might be interested in
Which animal is a secondary consumer in the temperate coniferous forest?
love history [14]
I positive that the answer is wolf hope that helps
4 0
3 years ago
Convert 835g Ar to liters of Argon gas. Please Help!!!
Feliz [49]
 835 g Ar  to  liters of Argon  gas  is  calculated as    follows

find  the  moles of Ar =  mass/molar mass

= 835g /39.95  g/mol  =  20.9  moles

At  STP   1mole of  ideal  gas =  22.4 L,  what  about  20.9 moles

= 20.9 moles/1mole x 22.4 L =468.16 L  of Argon
5 0
3 years ago
Is it true that we always see the same face of the Moon. <br> Yes<br> No Maybe
Hoochie [10]

Answer: no

The moon orbits the Earth, and the Earth orbits the Sun, so we do not see the same part of the moon. We always see different parts of it.

Hope this helps you!

4 0
3 years ago
Read 2 more answers
How does a sample of hydrogen at 10 °C compare to a sample of hydrogen at 350 K?
Andrej [43]

Answer: -

C. The hydrogen at 10 °C has slower-moving molecules than the sample at 350 K.

Explanation: -

The kinetic energy of gas molecules increase with the increase in the temperature of the gas. With the increase in kinetic energy, the gas molecules also move faster. Thus with the increase of temperature, the speed of the molecules increase.

Temperature of first hydrogen gas sample is 10 °C.

10 °C means 273+10 = 283 K

Thus first sample temperature = 283 K

The second sample temperature of the hydrogen gas  is 350 K.

Thus the temperature is increased.

So both the kinetic energy and speed of molecules is more for the hydrogen gas sample at 350 K.

Thus the hydrogen at 10 °C has slower-moving molecules than the sample at 350 K.

Hence the answer is C.

7 0
4 years ago
Read 2 more answers
What kinds of evidence are scientists using to learn about how the moon came to be ?
slamgirl [31]

Answer:

were learning about this right now can you help me with the wuestion 8th grade sucks.

Explanation:

7 0
3 years ago
Other questions:
  • Why are do some substances have larger or smaller densities than others?
    7·2 answers
  • What parts of a circuit is a conductor?
    8·1 answer
  • At 20 °C the vapor pressure of pure benzene (C6H6) is 75.0 torr, and that of toluene (C7H8) is 22.0 torr. Assume that benzene an
    14·1 answer
  • How much water, in liters, must be added to 0.5 L of 6 M HCl to make it 2 M?
    13·1 answer
  • When looking at flat-tailed horned lizards, what trait was found in most living lizards compared to dead lizards? *
    13·2 answers
  • Pls need help with this pls
    10·1 answer
  • The reaction 2Mg(s) + O2(g) --&gt; 2MgO(s) is a
    14·1 answer
  • Which of the following arrangements of the visible colors of light is in the correct order of increasing energy?
    15·1 answer
  • Is the following nuclear equation balanced?<br><br> yes<br> no
    11·1 answer
  • OMG PLEASE HELP!! THIS IS IMPORTANT!!
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!