3 years ago

How many dots are shown in the electron dot diagram for calcium, element number 20?

Chemistry

1 answer:

kykrilka [37]3 years ago

4 0

2 dots are shown for drawing it. because it has two valence electrons

You might be interested in

For the reaction below, identify the type of reaction and determine the coefficient for Ag after balancing the reaction

tatyana61 [14]

Answer:

single displacement reaction

Explanation:

coefficient if Ag is 2

after it is balanced

3 0

4 years ago

The products in this reaction

Delvig [45]

Answer:

It’s either B or C:

В. have the same atom arrangement as the reactants.

С. have different properties than the reactants.

Explanation:

Sorry, I don’t know a lot about this topic :(

4 0

3 years ago

What does the R stand for in the ideal gas law (PV=nRT)?

Vesnalui [34]

R in the equation is a gas constant. It is .0821 liters x ATM over Moles x degrees kelvin.

5 0

4 years ago

The diffusion flux is defined as: a) Mass, per unit surface area, per unit time b) Surface area, per unit time c) Time, per unit

s2008m [1.1K]

Answer:

The correct answer is option a.

Explanation:

Diffusion flux is defined as movement of mas of atoms diffusing through the unit area in per unit time.It measured in ( $kg/m^2 s$ ).

$J=\frac{1}{A}\frac{dM}{dt}$

J = diffusion flux

A = Unit area A through which atoms moves.

M = mass of atoms passes in t interval of time.

6 0

4 years ago

If you took a wire, connected one end to a rechargeable battery, and connected the other end to the leaf of a plant, would you b

astraxan [27]

Answer:

No bcz it is insulator it will not conduct electric

7 0

3 years ago