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givi [52]
3 years ago
6

The basic organizational feature of the periodic table of elements

Chemistry
1 answer:
Doss [256]3 years ago
8 0
Atomic Number. (Or the number of protons in that element, same thing)
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Describe an oxidation-reduction reaction.
DaniilM [7]

Answer:   Oxidation reaction occurs when a reactant losses electrons in the reaction.

Reduction reaction occurs when a reactant gains electrons in the reaction.

Explanation: Reduction reaction : It is defined as the reaction in which a substance gains electrons. That means, the gain of electrons takes place.

Or we can say that, reduction reaction occurs when a reactant gains electrons in the reaction.

Redox reaction or Oxidation-reduction reaction : It is defined as the reaction in which the oxidation and reduction reaction takes place simultaneously.

3 0
3 years ago
Determine the number of significant in 400
Leya [2.2K]

Answer:

400 or 4x102 indicates only onesignificant figure. (To indicate that the trailing zeros are significant a decimal point must be added. 400. has threesignificant digits and is written as 4.00x102 in scientific notation.) Exact numbers have an infinite number of significant digits but they are generally not reported.

6 0
4 years ago
¿Cuál era su juego favorito cuando eran niños?​
blagie [28]

Answer:

mi juego favorito probablemente sería Mine craft cuando era más joven, aunque sigue siendo uno de mis juegos favoritos

Explanation:

7 0
3 years ago
A naturally occurring element consists of three isotopes. The data for the isotopes are:
max2010maxim [7]
(46.972* 69.472% + 48.961*21.667% + <span>49.954*8.8610%)/100% =

</span>= 46.972* 0.69472 + 48.961*0.21667 + 49.954*0.088610 =47.667 u
7 0
3 years ago
Which reaction should be used to convert propene into alkyl halide
Firdavs [7]
<span>Alkyl is a rare compound, and also very confusing.
I'm assuming you meant "propane"...
</span>
<span><span><span>C3H<span>8  = Propane
</span></span>CnH2n+1-- X</span>  << Alkyl Halide
X = Cl

Simply set a chemical reaction :

</span>
<span>C3H<span>8 → </span></span><span>CnH2n+1-- X </span>



5 0
3 years ago
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