GROWTH DEVELOPMENT CHILD
FORMATIVE ASSESSMENT
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Is salt (NaCI) a compound or a element
|
|
Compound
|
|
|
element
|
|
|
Either A or B
|
|
|
None of the above
|
Explanation:
Detailed explanation-1: -Salt is an ionic compound, consisting of a crystal, lattice structure of the two ions Na+ and Cl-. Salt water is full of sodium chloride molecules.
Detailed explanation-2: -Chemically, table salt consists of two elements, sodium (Na) and chloride (Cl). Neither element occurs separately and free in nature, but are found bound together as the compound sodium chloride.
Detailed explanation-3: -Sodium is the sixth most common element on Earth, and makes up 2.6% of the Earth’s crust. The most common compound is sodium chloride.
There is 1 question to complete.