Answer:
magnesium
Explanation:
because zinc does not react with water because it too forms a protective layer of insoluble.
Answer:
Two possible compounds are shown below- one with an exocyclic double bond and another one with an endocyclic double bond
Explanation:
Reaction of alkene with 
gives a complex of mercurous ion.
Then water molecule attacks this complex through 
type reaction at more substituted position.
cleaves the resultant C-Hg bond and forms a C-H bond.
Two possible structures of an alkene is possible to yield 1-methylcyclohexanol which are shown below.
<span>An independent variable is a variable that is not affected in the experiment. It is what experimenter controls. Here, the concentration of salt is the independent variable.
On the other side, a dependent variable is called dependent because it depends on the independent variables. It is what is affected and observed during the experiment. Here, the freezing point of water is affected and, thus, it is the dependent variable.
A controlled variable is a variable that must remain unchanged (must be constant) during the experiment so that the effect on the dependent variable depends only on the independent variable. Here, the volume of water must be constant, so it is the controlled variable.
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Answer:
(a) ¹⁴₆ C ⇒ ¹⁴₇ N + ⁰₋₁ e
(b) ¹⁴⁰₅₅ Cs ⇒ ¹⁴⁰₅₆ Ba + ⁰₋₁ e
(c) ²³⁴₉₀ Th ⇒ ²³⁴₉₁ Pa + ⁰₋₁ e
Explanation:
In a beta decay the nuclide emits a beta particle which are high enery electrons. The number of neutrons decreases by one and the atomic number increases also by one moving the nuclide one place to the right in the periodic table. The mass of the nuclide does not change since the mass of electron is negligible compared to the proton and neutron.
(a) ¹⁴₆ C ⇒ ¹⁴₇ N + ⁰₋₁ e
(b) ¹⁴⁰₅₅ Cs ⇒ ¹⁴⁰₅₆ Ba + ⁰₋₁ e
(c) ²³⁴₉₀ Th ⇒ ²³⁴₉₁ Pa + ⁰₋₁ e
