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Reptile [31]
3 years ago
6

Any form of matter that is uniform throughout and has consistent properties

Chemistry
1 answer:
Dmitry [639]3 years ago
5 0

Answer:

pure substance

Explanation:

A pure substance is a form of matter that has a constant composition (meaning it's the same everywhere) and properties that are constant throughout the sample (meaning there is only one set of properties such as melting point, color, boiling point, etc. throughout the matter).Ja

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Within the main group of elements, what do elements in a family have in common?
statuscvo [17]
They have same chemical properties
for example the elements of group VIII are called noble gases .They are unreactive, odorless and colorless.
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2 years ago
Describe the trend in electronegativity of the elements ?​
dalvyx [7]

Answer:

On the periodic table, electronegativity generally increases as you move from left to right across a period and decreases as you move down a group. As a result, the most electronegative elements are found on the top right of the periodic table, while the least electronegative elements are found on the bottom left.

Explanation:

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4 0
3 years ago
A roller coaster is accelerating at 10m/s² before it comes to an abrupt stop at the end of the ride. The mass of the roller coas
alexgriva [62]

Answer:

<h2>9000 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 900 × 10

We have the final answer as

<h3>9000 N</h3>

Hope this helps you

8 0
3 years ago
PLEASE HELP...with single replacement reaction w/ activity series
Blizzard [7]

Answer : The balanced chemical reaction will be:

AuI_4+2Br2\rightarrow AuBr_4+2I_2

Explanation :

Single replacement reaction : A chemical reaction in which the more reactive element replace the less reactive element.

It is represented as,

A+BC\rightarrow AC+B

In this reaction, A is more reactive element and B is less reactive element.

As per question, when gold (IV) iodide react with bromine to give gold (IV) bromide and iodine.

The balanced chemical reaction will be:

AuI_4+2Br2\rightarrow AuBr_4+2I_2

8 0
3 years ago
Is the equation Ag2O ----&gt; Ag+ O2 balanced
maw [93]
Ok so simple 1Ag2O ---> 1Ag+1O2 do u understand how I got that????
4 0
3 years ago
Read 2 more answers
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