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kompoz [17]
3 years ago
12

Which subatomic particles are found in the

Chemistry
1 answer:
pashok25 [27]3 years ago
6 0
For any element the nucleus consists of neutrons and protons while electrons orbit around the nucleus, (3)
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Although there are different ways to approach a scientific investigation, all scientific investigations begin with some sort of
raketka [301]

Answer: hypothesis or guess

(pls mark me brainliest)

5 0
3 years ago
Read 2 more answers
Give the following for SO2 and BrF5:
frosja888 [35]

Answer:

The given molecules are SO2 and BrF5.

Explanation:

Consider the molecule SO2:

The central atom is S.

The number of domains on S in this molecule is three.

Domain geometry is trigonal planar.

But there is a lone pair on the central atom.

So, according to VSEPR theory,

the molecular geometry becomes bent or V-shape.

Hybridization on the central atom is

sp^{2}.

Consider the molecule BrF5:

The central atom is Br.

The number of domains on the central atom is six.

Domain geometry is octahedral.

But the central atom has a lone pair of electrons.

So, the molecular geometry becomes square pyramidal.

The hybridization of the central atom is sp^{3} d^{2}.

The shapes of SO2 and BrF5 are shown below:

6 0
3 years ago
Mg(s) + ½O2(g) → MgO(s) + 146 kcal/mole H2(g) + ½O2(g) → H2O(g), ΔH = -57.82 kcal/mole What type of reaction is represented by t
adell [148]
Answer is: both reactions are exothermic.

<span>In exothermic reactions, heat is released and enthalpy of reaction is less than zero (as it show second chemical reaction).
According to Le Chatelier's principle when the reaction is <span>exothermic heat is included as a product (as it show first chemical reaction).</span></span>
7 0
3 years ago
Based on the name, which substance is a covalent compound?
V125BC [204]
QUICK ANSWER

The name of the covalent compound N2O5 is dinitrogen pentoxide, more commonly known as nitrogen pentoxide. This covalent compound is part of a bigger group of compounds, nitrogen oxides, created purely from nitrogen and oxygen

6 0
3 years ago
Read 2 more answers
How many grams of nitrogen dioxide are required to produce 5.89x10^3 kg of hno3 in excess water
polet [3.4K]
<span>3 NO2 + H2O -------->. 2 HNO3. + NO
3(46g)------------------------> 2 ( 63g) HNO3
? kg-------------------------5.89 x10^3kg HNO3
Mass of NO2. = 5.89x10^3 x 138/ 2(63) = 6.45 x10^3 kg</span>
5 0
3 years ago
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