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3 years ago

8

In ionic bonds the atom that contributes an electron and has a positive charge as a result is called the . The atom in ionic bon

ding that accepts an electron and has a negative charge as a result is called the .

1 answer:

Sidana [21]3 years ago

4 0

Answer:

a. Cation

b. Anion

Explanation:

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Please help find out code?

Nat2105 [25]

You might need to take more pictures so we can see all the equations clearly

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2 years ago

Which element has a +2 charge and has a <br> configuration of 1s22s22p3? <br> A) B <br> B) F

PSYCHO15rus [73]

Fluorine(F)

Explanation:-

Fluorine has Z=9
+2 charge means 2 electrons donated (7left only)

Lets look at Electronic configuration

$\\ \sf\longmapsto 1s^22s^22p^3$

6 0

3 years ago

What is 25mg in grams

Viktor [21]

Kilo
hecto
deca
base
deci
centi
milli

king Hector died by drinking chocolate milk

25 milligrams equal 0.025 grams

4 0

3 years ago

A 20.00-mL sample of a weak base is titrated with 0.0568 M HCl. At the endpoint, it is found that 17.88 mL of titrant was used.

nata0808 [166]

Answer: 0.0508mL

Explanation: Using the basic formula that states: C acid * V acid = C base * V base. we have:0.568 * 17.88 = 20 * C base.

therefore concentration of the base is 1.0156/20 = 0.0508 mL

7 0

3 years ago

4Fe + 3O2 → 2Fe2O3

topjm [15]

Answer:

moles Fe₂O₃ = 0.938 mole

Explanation:

Convert given data to moles, solve in terms of moles by reaction ratios in balanced equation. After obtaining answer in moles, convert to needed dimension. In this case, no conversions are needed.

4Fe + 3O₂ => 2Fe₂O₃

105g/56g·mol⁻¹

= 1.875 mol Fe => => => => => => 2/4(1.875 mol Fe₂O₃) = 0.938 mol Fe₂O₃

8 0

3 years ago