Answer:
b) Linear molecule with two domains
Explanation:
The image represents a linear molecule with two domains.
The compound shown here is carbon dioxide in which a central carbon atom is surrounded by two oxygen atoms.
- This bond geometry is of the type AX₂
- In this linear molecule the bond angle is a perfect 180°
- The lone pairs are perfectly balanced out and will not cause distortion of the central carbon.
Answer:
<h3>The answer is 0.67 cm³ </h3>
Explanation:
Density of a substance can be found by using the formula
<h3>
</h3>
Making volume the subject we have
<h3>
</h3>
From the question
mass of gold nugget = 13 g
Density = 19.3 g/cm³
Substitute the values into the above formula and solve for the volume
We have
<h3>
</h3>
= 0.673575
We have the final answer as
<h2>0.67 cm³</h2>
Hope this helps you
The objects that are rubbed together will create charges among themselves due to friction.
(1) The balloon rubbed with a wool cloth will be charged.
(2) If she comb near a small, uncharged object nothing will change.
(3) This is a scientific investigation because it does not involved a step by step process to answer a scientific query.
Answer: Explanation:
Calcium (Ca), chemical element, one of the alkaline-earth metals of Group 2 (IIa) of the periodic table. It is the most abundant metallic element in the human body and the fifth most abundant element in Earth's crust.
...
Calcium.
atomic number 20
oxidation state +2
electron configuration 1s22s22p63s23p64s2
Explanation:
Answer:
In a chemical reaction, energy is used for breaking the bonds of the reactants also energy is used in formation of new bonds. So, there are two ways to produce the energy in a reaction and they are either exothermic reaction (producing energy) or endothermic reaction (consuming energy from the surroundings).
Explanation:
hope this helps
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