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
s2008m [1.1K]
2 years ago
10

What is the number of valence electrons in a calcium atom? * 8 2 18 20​

Chemistry
1 answer:
hoa [83]2 years ago
4 0

Answer:

2

Explanation:

You might be interested in
Decay chains exist because
Paraphin [41]
It occurs in a series of sequential reactions until a stable nucleus is reached because Nuclear decay occurs when the nucleus of an atom is unstable and spontaneously emits energy in the form of radiation.
4 0
3 years ago
How was your day????????​
Trava [24]

Answer:

I literally just woke up for school hehe

3 0
3 years ago
Read 2 more answers
Can u answer this?<br> Mass: 126 g<br> Volume: 15 cm to the third power<br> Density:?
Andre45 [30]

Answer:

Calculate density

Weight/mass

126

g

Volume

15

cm³

Density

8,400

kg/m³

Explanation:

4 0
3 years ago
Which part of the ocean has the lowest temperatures and highest salinity?
KatRina [158]

Answer:

The north atlantic contains the warmest and saltiest water of the major oceans, the southern ocean is the coldest, the north pacific has the lowest average salinity. This density signature is locked into the water parcel when it sinks

Explanation:

i think

8 0
3 years ago
What s thisssss oneeeeeee
ZanzabumX [31]
C
Explanation- equals 459
3 0
2 years ago
Other questions:
  • Which term means human-made liquid, solid, or sludge waste that may endanger human health or the environment? A. sewage B. hazar
    15·2 answers
  • What is measured in mercury
    14·2 answers
  • plate a and plate b are both continental plates. what is ghe most likely result if the two plates collide?
    8·1 answer
  • A cube made of platinum (Pt) has an edge length of 1.0 cm. (a) Calculate the number of Pt atoms in the cube. (b) Atoms are spher
    12·1 answer
  • A piece of lead takes up a space of 6.92 mL and has a density of 11.4g/mL. Calculate the mass
    6·2 answers
  • What is the freezing point of a 0.19 m solution of glucose, c6h12o6, in water? (kf for water is 1.858°c/m.) a. –0.18°c b. 0.18°c
    9·1 answer
  • Need help :)….please
    12·1 answer
  • The solubility for KCl is 60 g at 40 C. If a solution of KCl contains 79.5 g, is the solution saturated, unsaturated, or supersa
    7·1 answer
  • Which of the following collides with Earth, causing its entire surface to warm?
    10·2 answers
  • Chemically balance the equation: Mg(HCO3)2 + HCL --&gt; MgCl2 + CO2 + H2O​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!