Give the names of the following elements and the rule used to represent the element. [2 marks]
i. Na
ii. K
iii. C
iv. Ca

Open in App

Solution

i. Na - Sodium [0.5 marks]
Sodium is named as Natrium in Latin hence it has the symbol Na. [0.5 marks]

ii. K - Potassium [0.5 marks]
Potassium is named as Kalium in Latin hence it has the symbol K. [0.5 marks]

iii. C - Carbon [0.5 marks]
Carbon has C as its symbol because of its first letter. [0.5 marks]

iv. Ca - Calcium [0.5 marks]
Calcium has Ca as symbol because C is used for carbon and we use Ca for calcium from the first two letters. [0.5 marks]

Suggest Corrections

Similar questions

Question 16
Which of the following are the characteristics of isotopes of an element?

(i) Isotopes of an element have same atomic masses
(ii) Isotopes of an element have same atomic number
(iii) Isotopes of an element show same physical properties
(iv) Isotopes of an element show same chemical properties

(a) (i), (iii) and (iv)
(b) (ii), (iii) and (iv)
(c) (ii) and (iii)
(d) (ii) and (iv)

Question 18
Which of the following metals are obtained by electrolysis of their chlorides in molten state?
(i) $Na$
(ii) $Ca$
(iii) $Fe$
(iv) $Cu$

(a) (i) and (iv)
(b) (iii) and (iv)
(c) (i) and (iii)
(d) (i) and (ii)

Consider the following elements : Be, Li, Na, Ca, K.Name the elements of (a) same group (b) same period.

Q. Name the following elements: C, H, O, N, P, S, Na, Cl, Ca, Fe, Cu, Zn, Mg

Q.  Give the names of the following elements and the rule used to represent the element.
i. Na
ii. K
iii. C
iv. Ca

Join BYJU'S Learning Program

Give the names of the following elements and the rule used to represent the element. [2 marks] i. Na ii. K iii. C iv. Ca

Give the names of the following elements and the rule used to represent the element. [2 marks]
i. Na
ii. K
iii. C
iv. Ca