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marshall27 [118]
3 years ago
7

A mineral that has _______ can be split fairly easily along planes with weak atomic attraction. A. hardness B. luster C. streak

D. cleavage
Chemistry
2 answers:
Tomtit [17]3 years ago
8 0
<span>A mineral that has CLEAVAGE can be split fairly easily along the planes with a weak atomic attraction. Technically a mineral may have a luster but it isn't the cause of it's split. Additionally, hardened minerals is the opposite of what is being discussed and I cannot truly remember what "streak" meant in regards to minerals.</span>
Alekssandra [29.7K]3 years ago
6 0

A mineral that has cleavage can be split fairly

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lead is a toxic metal that affects the central nervous system. a pbpb-contaminated water sample contains 0.0013 %pb%pb by mass.
Rus_ich [418]

0.0013% = 0.0013 g/100 ml water, or 1.3 mg/100 ml water

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7 0
2 years ago
The volume of 7.91 M HCl needed to make 196.1 mL of 2.13 M HCl is ____.
kumpel [21]

Answer:

a) 52.8

Explanation:

M1V1 = M2V2

(7.91 M)(x ml) = (2.13 M) (196.1 ml)

(7.91M) (xml) = 417.693 M.ml

x ml = 417.693/ 7.91

x   =  52.8

6 0
3 years ago
Read 2 more answers
How does pollution affect air resources?
tatiyna

Answer: it gets inside the air and then it infects the air's resourses

Explanation:

7 0
3 years ago
Na2o + h2so4 ———&gt; na2so4 + h2o<br><br><br> Can anyone balance this please!!??
marysya [2.9K]

Answer:

The equation is already balanced. There's an equal number of materials on each side of the equation.

4 0
3 years ago
A 5.00-cm cube of magnesium has a mass of 217.501 g. What is the density of magnesiummetal?
Doss [256]

Answer:

d = 43.5 g/cm³

Explanation:

Given data:

Mass of magnesium cube = 217.501 g

Volume of magnesium cube = 5.00 cm³

Density of magnesium cube = ?

Solution:

Formula:

d = m/v

d = density

m = mass

v = volume

by putting values,

d = 217.501 g/ 5.00 cm³

d = 43.5 g/cm³

8 0
3 years ago
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