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babymother [125]
3 years ago
11

Choose the number of significant figures indicated. 0.06

Chemistry
2 answers:
jeka943 years ago
8 0
One-
The 6 is the only significant figure.
vesna_86 [32]3 years ago
7 0
1 , the 6 is the only significant figure
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A Weather Satellite. 
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3 years ago
Tips for memorizing the first 20 elements of the periodic table?​
Anna [14]

Answer:

hydrant flying with balloon, balloon has lithp letting air out, bee: really yum balloon

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hydrogen              helium                     lithium                     beryllium

be bore on the balloon, balloon pops, hydrant drops and makes a car bomb

           =                                                                                                  =

    boron                                                                                              carbon

night row general gets hurt by car bomb nearby, that general gets off boat

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nitrogen

wearing oxygen mask, mask is full of fluride gel, then he got neon teeth

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         oxygen                                fluorine                                neon

(try making a story out of the elements, use your imagenation)

7 0
2 years ago
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What season does the sourtther hempishere experience when it is away from the sun?
kakasveta [241]
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4 0
3 years ago
What is the name of a mixture that is easily seen and separated???
DedPeter [7]

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suspension

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a mixture in which particles can be seen and easily separated by settling or filtration.

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4 0
2 years ago
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Elements in the same column of the periodic table have what in common?
Kipish [7]

Answer:

Elements in same column of periodic table have same properties.

Explanation:

The elements in the same group have same number of valance electrons thus have similar properties.

Consider the elements of group two i.e alkaline earth metals. All have two valance electrons and show similar properties.

Magnesium, barium, calcium etc.

All alkaline earth metals form salt with halogens.e.g,

Mg   +   Cl₂    →    MgCl₂

Ba    +   Br₂    →     BaBr₂

Mg   +   Br₂    →     MgBr₂

Ca    +   Br₂    →     CaBr₂

They react with oxygen and form oxides of respective metal.

2Mg   +   O₂   →    2MgO

2Ba   +   O₂   →    2BaO

2Ca   +   O₂   →    2CaO

these oxides form hydroxide when react with water,

MgO  + H₂O   →  Mg(OH)₂

BaO  + H₂O   →  Ba(OH)₂

CaO  + H₂O   →  Ca(OH)₂

With nitrogen it produced nitride,

3Mg + N₂     →  Mg₃N₂

3Ba + N₂     →  Ba₃N₂

3Ca + N₂     →  Ca₃N₂

With acid like HCl,

Mg + 2HCl  →  MgCl₂ + H₂

Ba + 2HCl  →  BaCl₂ + H₂

Ca + 2HCl  →  CaCl₂ + H₂

8 0
3 years ago
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