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victus00 [196]
3 years ago
15

Which of the following contains properties of magnesium, Mg?

Chemistry
1 answer:
tekilochka [14]3 years ago
6 0

Answer:

Option B. Malleable, Conductor, High melting point, Lustrous

Explanation:

Mg has a higher melting point because of the strong electrostatic force of attraction between the magnesium ions (Mg^2+). The rest properties listed are all general properties of metals

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A___________ consists of a mixture of graphite powder (a form of carbon) and clay that is baked and hardened and encased in wood
Harlamova29_29 [7]

Answer:

A_____PENCIL______ consists of a mixture of graphite powder (a form of carbon) and clay that is baked and hardened and encased in wood or paper. a. silverpoint b. pencil c. charcoal d. chalk e. paste

Explanation:

A pencil is a writing material, where the graphite is what gives the black color to the writing stroke.

5 0
3 years ago
Which of the following is a property of carbon atoms?
marusya05 [52]

Answer:

B. They can for covalent bonds with other atoms.

Explanation:

Carbon = King of the elements on the periodic table

For its proclivity to form stable covalent bonds with multivalent atoms.

5 0
3 years ago
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The label on a bottle of medicine reads​ "Each 5 mL teaspoonful contains​ glucose, 1.87​ g; levulose, 1.87​ g; and phosphoric​ a
Alexandra [31]

(a) 43.6 mg; (b) 520 mg

(a) <em>Mass of phosphoric acid (PA) in a dose </em>

Mass of PA = 2 tsp × (21.8 mg PA/1 tsp) = 43.6 mg PA

(b) <em>Mass of PA in the bottle </em>

<em>Step 1</em>. Convert <em>ounces to millilitres </em>

Volume = 4 oz × (30 mL/1 oz) = 120 mL

<em>Step 2.</em> Calculate the mass of PA

Mass of PA = 120 mL × (21.8 mg PA/5 mL) ≈ 520 mg PA

4 0
3 years ago
In an exothermic process the surrounding looses heat.<br>False<br>True​
WITCHER [35]

Answer:

False

Explanation:

Message me for explanation.

3 0
3 years ago
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Calculate the kinetic energy of a truck that has a mass of 2900 kg and is moving at 15 ms
avanturin [10]

Answer:

<h2>326,250 J</h2>

Explanation:

The kinetic energy of an object can be found by using the formula

k =  \frac{1}{2} m {v}^{2}  \\

m is the mass

v is the velocity

From the question we have

k =  \frac{1}{2}  \times 2900 \times  {15}^{2}  \\  = 1450 \times 225 \\  = 326250

We have the final answer as

<h3>326,250 J</h3>

Hope this helps you

8 0
3 years ago
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