The Atomic Number Of An Element Is

An element has an atomic number 2 0. How many electrons will be present in K, L, M and N shells of its atom? The atomic number (represented by the letter Z) of an element is the number of protons in the nucleus of each atom of that element.An atom can be classified as a particular element based solely on its atomic number. Asked Jun 12, 2018 in Class X Science by priya12 (-12,625 points) The atomic number of an element is 17. John knows that the atomic number of the element Chlorine, Cl, is 17. He also knows that one particular isotope of chlorine has a mass of 35. How many neutrons can be found in the nucleus of this isotope of chlorine?

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The Atomic Number Of An Element Is Equal To
What Determines Atomic Number
Table Of Elements Atomic Numbers
Elements Atomic Mass List

User: number of protons and neutrons Weegy: The number of protons determines an element's atomic number and is used to distinguish one element from another. User: The isotope carbon-14 has 6 protons and an atomic mass of 14.

Parishkrit Jain answered this

a) Non-metal

b) Bigger in size

c) Valency is 1

d) Its oxide will turn blue litmus red.

Mohd Imad answered this

.Q.The atomic number of an element is 17.
(a) Whether it is a metal or non – metal?
(b) Whether it is bigger or smaller in size than an element of atomic number 18?
(c) What is its valency?
(d) How would its oxide behave with litmus solution?
(e) What type of bonds it will form with element of group 18?
ANS :

(a) It is a non metal , atomic number 17 means it is a Halogen.

(b) It is Bigger than the element having atomic number 18 (along a period from left to right the size of atom decreases with increase in atomic Number)

Electronic Configuration (EC) = 2 , 8 , 7

=> Valency = 8 - 7 = 1

(d) Its Oxide will be Acidic . It will turn Blue litmus into red ,thus indicating it is Acidic Oxide.

(e) Type of bond it will form with element of group 18 : Covalent bond (Non - polar Bond)

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Vartika answered this

a) It is a non-metal.

b) It will be bigger than the element of group 18.

c)Its valency is 1.

d)Its oxide will be acidic in nature and thus, it will turn blue litmus paper red.

e) It will NOT form any type of bond with elements of group 18 as elements of group 18 are all noble gases and they are already stable substances and hence unreactive with any element...

Parishkrit Jain answered this

e) It will form covalent bond with some elements of group 18.

arushromeo1... answered this

a. Non-metal.

b. It will be smaller than element of group 18.

c. Its valency is 1.

d. Its oxide will be acidic and willturn blue litmus red.

e. It willnot form any type of bond.

Harini answered this

Parishkrit Jain answered this

a) Non-metal

b) Bigger in size

c) Valency is 1

d) Its oxide will turn blue litmus red.

Mohd Imad answered this

(a) It is a non metal , atomic number 17 means it is a Halogen.

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(b) It is Bigger than the element having atomic number 18 (along a period from left to right the size of atom decreases with increase in atomic Number)