Question

The fundamental unit of all phases of matter
is
Particle
Molecule
Atom
None of the above
3. Give the name of element from the following
Milk
Ghee
Diamond
Soil
4. Which of the following is the smallest unit of compound or substances:-
Element
Molecule
Mixture
None of the above
5. Molar mass of 1 mole water will be equal to
18gm
20gm
16gm
40gm
6. The symbol of sodium element is
Sa
Na
K
Ba
7. The anode rays are positively charged in nature they come out from
Cathode
Anode
Both
None
8. The number of protons in an Na + ion is
23
11
10
9​

Answer 1

Explanation:

The fundamental unit of all phases of matter

is Atom.

3. Give the name of element from the following

Milk is Ghee

4. Which of the following is the smallest unit of compound or substances:-

Molecule

5. Molar mass of 1 mole water will be equal to 18gm.

6. The symbol of sodium element is Na.

7. The anode rays are positively charged in nature they come out from Anode.

8. The number of protons in an Na + ion is 11

Answer 2

Answer:

1) atom

3)a) milk is not a element

b)ghee is not a element

c)diamond is chemical element

d)soil is a chemical element

4)none of these

The atom is the smallest unit of an element.

5)18 gm

Thus, for example, one mole of water contains 6.02214076×1023 molecules, whose total mass is about 18.015 grams – and the mean mass of one molecule of water is about 18.015 daltons.

6)Na

7)I think the answer is none

and as a Residue the proton particles of an atom get back attracted toward the cathode. and hence form the stream of positively charged particle called as anode rays. So, anode rays are the stream of positively charged particles called as protons.

8) 11