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AlladinOne [14]
3 years ago
14

An boron isotope consist of 5 protons 5 electrons and 6 neutrons its mass number is ?

Chemistry
1 answer:
vichka [17]3 years ago
8 0
10.811 atomic mass units
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If you were asked to describe metals and magnetism you could say. A. non–paired electrons spin in opposite directions in all met
attashe74 [19]

Answer : Option D) the electrons in some metals pair up to create a magnetic field.


Explanation : Most of the metals are magnetic in nature including some exceptions. When the unpaired electrons get aligned with the magnetic field they posses magnetism. Also there are some paired electrons in metals which align themselves according to the magnetic field and create magnetism in them.

3 0
3 years ago
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To make 2.00 L of 0.300 M sulfuric acid, how many mL of a 1.00 M stock solution should be used?
Tamiku [17]
We are given with
M1 = 1.00 M

M2 = 0.300 M
V2 = 2.00 L

We are asked to get V1

Using material balance
M1 V1 = M2 V2
Substituting the given values
1.00 V1 = 0.300 M (2.00 L)
V1 = 0.600 L or 600 mL
THe volume needed is 600 mL<span />
3 0
3 years ago
An object becomes electrically charged when:
timurjin [86]

Answer:

An object becomes electrically charged when <em>electrons</em><em> </em><em>are</em><em> </em><em>transferred</em><em> </em><em>to</em><em> </em><em>it</em>

Explanation:

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3 years ago
How can you identify gas in a chemical reaction without observing the atoms or molecules?
nikitadnepr [17]

Answer:

There are five signs of a chemical change:

Colour Change.

Production of an odour.

Change of Temperature.

Evolution of a gas (formation of bubbles)

Precipitate (formation of a solid).

5 0
2 years ago
Review this reaction:H2SO4 + NaOH ?.What are the product(s)?Na2SO4H2ONa2SO4 and H2ONaH and SO4OHH3SO5
muminat

i think its MIDDLE FINGERS UP IN THE SKY AND AT THESE AHOLE MODERATORS

6 0
3 years ago
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