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
Mkey [24]
3 years ago
6

Use the periodic table to identify the number of core electrons and the number of valence electrons in each case below.Magnesium

(Mg): 1s22s22p63s2
Chemistry
2 answers:
amm18123 years ago
3 0

Answer:

1s1

2s2/2p6

3s2⇨⇨ period 3 - group 2

laila [671]3 years ago
3 0
There’s 2 valence electrons in Mg
You might be interested in
An atom of argon in the ground state tends not to bond with an atom of a different element because the argon atom has (a)a total
Dvinal [7]
The answer is <span>a total of eight valence electrons
hope this help
</span>
5 0
4 years ago
Read 2 more answers
How many kilograms of water can be evaporated from a 1 m2 surface of water in a lake on a hot, clear summer day, if it is assume
Vladimir79 [104]

Answer:

for example the same boat and a lot more to the right thing in this country is a good thing to say about it is not a fan game that I have a lot more than the

3 0
4 years ago
Limestone formations in caves is considered what kind of weathering?
Goryan [66]
The answer is Chemical

Chemical weathering involves the decomposition of rocks due to chemical reactions between minerals such as calcite with water and gases in the atmosphere (e.g. carbon dioxide and sulphur dioxide). The solution of soluble minerals is particularly important in limestone landscapes.
3 0
3 years ago
Read 2 more answers
Explain the meaning of each term in the symbol aXz
Ede4ka [16]

AXz

Explanation:

It is a chemical notation of nuclide

Here X is the symbol of the element

A is the mass number of element

A=n+p(sum of protons and neutrons)

Z is the atomic number.

For example, 12C6

Hers X is C, symbol of carbon

12 is the mass number and 6 is the atomic number of the carbon.

8 0
3 years ago
in this lab we will build an instrument called a coffee cup calorimeter: identify the list with all the necessary parts
Nesterboy [21]
A calorimeter is just an insulated container which contains the sample. You combust the sample inside the calorimeter, then you measure the temperature with respect to time. Make sure to stir constantly. Thus, you need a thermometer and a stirrer. The coffee cup calorimeter is labelled as shown in the picture attached. The goal of this experiment is to determine the specific heat capacity.

8 0
3 years ago
Other questions:
  • The general formula for the alkyne series is:<br> CnH2n+2<br> CnH2n<br> CnH2n-2<br> CnHn+2
    6·1 answer
  • Pls help!!<br><br> Explain the resonance structures for the nitrate ion, NO3−.
    6·1 answer
  • A chemical reaction produced 177.3 grams of chlorine has (Cl²). What was the volume of the gas?
    12·1 answer
  • The image below shows uncharged particles bouncing around.
    13·1 answer
  • Which element in group 17 has the highest ionization energy
    10·1 answer
  • Which of the following has the same empirical and molecular formula?
    6·1 answer
  • What would happen if there was not opposite and equal force?
    15·1 answer
  • Which stage in a frog's life cycle is most similar to a plant seed?
    15·2 answers
  • A pharmacist mixed some 10%-saline solution with some 15%-saline solution obtain 100 mL of a 12%-saline solution. How much of th
    6·1 answer
  • Does an astronaut have more mass on earth then space? why or why not?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!