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2 years ago

What element behaves MOST like magnesium between Si, S, Sr, Sn

2 answers:

7 0

I think the correct answer from the choices listed above is option D. The element that behaves most like magnesium would be strontium. It behaves most like magnesium because it is in the same family, the alkaline earth metals. Hope this answers the question.

frosja888 [35]2 years ago

6 0

Answer

Explanation

In periodic table, the elements have almost same properties are present in the same group. As Mg and Sr are present in group II-A, so both behave most likely to each other due to having same valence shell electrons as well.
Si and Sn are present in group IV-A which have same behavior but different one from Mg due to different groups.
S is present in group VI-A which show different properties from all others one especially from Mg.

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Which of the following is an example of a change of state?

lord [1]

Answer:

Option B

Explanation:

For Option A the state is not changing but just has different look now.
For Option B the state is changing from gas to liquid drops due to cold glass
For Option C it hasn't changed state as both corn and flower is solid
For Option D paper and ash are both solids

Therefore our answer must be Option B

6 0

1 year ago

what is the empirical formula of vanadium 1 oxide given that 20.38 grams of vandium combines with oxygen to form 23.58 grams of

Alex

Answer:

The empirical formula is V₂O

Empirical formula of a compound is the formula that shows the simplest whole number ratio of the atoms of elements in a given compound. Empirical formula is normally calculated when the mass of each element in a compound is known or the percentage composition by mass of each element in a compound is known.

Step by Step Explanation:

Step 1: Percentage composition of each element

Percentage composition=(mass of an element/ mass of the compound)100%

Mass of Vanadium = 20.38 g

Mass of the compound = 23.58 g

% composition of Vanadium = (20.38 g/23.58 g) 100%

= 86.43 %

Mass of Oxygen = 23.58 g -20.38 g

= 3.2 g

% composition of oxygen = (3.2/g/23.58 g) 100%

= 13.57%

Step 2: Find the number of atoms of each element in the compound

Number of atoms = percentage composition/ atomic mass

Atomic mass of Vanadium = 50.94 g/mol

Number of atoms of V = 86.43 /50.94

= 1.6967

Atomic mass of oxygen = 16 g/mol

Number of atoms of O = 13.57/16

= 0.8481

Step 3: Find the simplest ratio of atoms

Vanadium : Oxygen

1.6967 : 0.8481

= 1.6967/0.8481 : 0.8481/0.8481

= 2: 1

Whole number ratio = 2 : 1

Therefore; the empirical formula is V₂O

8 0

3 years ago

Read 2 more answers

S + 6 HNO3 H2SO4 + 6 NO2 + 2 H2O

exis [7]

Answer:

101.50 g H₂O

Explanation:

The mole ratio of HNO₃ and H₂O is 6 : 2

Hence, 16.9 moles of HNO₃ will produce = 2/6×16.9 = 5.63 moles of H₂O

Also,

Mass = Moles × M.Mass

Mass = 5.63 mol × 18.02 g/mol

Mass = 101.50 g H₂O

5 0

2 years ago

Which element probably reacts most like bromine, Br?

Nikitich [7]

D) Chlorine, Cl. Hope that helped

8 0

2 years ago

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What is the relationship between the density and position of each Earth layer?

vredina [299]

Answer:

The atmosphere and Earth's interior are layered by density. Gravity pulls more strongly on denser materials so denser materials are at the center of things. Earth's core, at its center, is denser than its crust. The lowest layer of the atmosphere is denser than the upper layer.

Hope it helps

Please mark me as brainliest

THank you

6 0

2 years ago

Read 2 more answers