-a- The table below compares some properties of metals and non-metals- Write down the missing statements -i- to -iv- - Metals amp- Non-metals- -i- amp- Poor-conductors -of- heat- -ii-Malleable amp- - -iii-Form -positive -ions amp- - -iv- amp- Form- acidic- oxides- - -b- How many valence electrons are present in- 1- Metals 2- Non - metals- -5 MARKS-

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Byju's Answer

Standard X

Chemistry

Physical Properties of Metals

(a) The table...

Question

(a) The table below compares some properties of metals and non-metals. Write down the missing statements (i) to (iv):
$\begin{matrix} M e t a l s & N o n - m e t a l s (i) \dots \dots & P o o r c o n d u c t o r s o f h e a t (i i) M a l l e a b l e & \dots \dots (i i i) F o r m p o s i t i v e i o n s & \dots \dots (i v) \dots \dots & F o r m a c i d i c o x i d e s \end{matrix}$

(b) How many valence electrons are present in:
1. Metals
2. Non - metals [5 MARKS]

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Solution

a) 4 Marks
b) 1 Mark

(a) (i) Goods conductors of heat.
(ii) Brittle
(iii) Form negative ions
(iv) Form basic oxides

(b) 1. Metals usually have 1, 2 or 3 valence electrons
2. Non - metals usually have 5, 6 or 7 valence electrons.

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Similar questions

(a) The table below compares some properties of metals and non-metals.Write down the missing statements (i) to (iv) :

$\begin{matrix} METALS & NON-METALS (i) . . . . . . . . . . . . & P o o r c o n d u c t o r s o f h e a t . (i i) M a l l e a b l e & . . . . . . . . . . . . (i i i) F o r m p o s i t i v e i o n s & . . . . . . . . . . . . . . . . . . . . . . . & F o r m a c i d i c o x i d e s . \end{matrix}$

(b) How many valence electrons are present in:

(i) metals and (ii) non-metals?

Q. (a) The table below compares some properties of metals and non-metals. Write down the missing statement (i) to (iv):

Metal	Non-metal
(i) Malleable Form positive ions. (iv)	Poor conductors of heat (ii) (iii) Form acidic oxides

Q. How many valence electrons are present in (a) metals, and (b) non-metals?

Q. Some properties are listed in the following table. Distinguish between metals and non-metals on the basis of these properties.

\begin{matrix} P r o p e r t i e s & M e t a l s & N o n - m e t a l s 1. A p p e a r a n c e 2. H a r d n e s s 3. M a l l e a b i l i t y 4. D u c t i l i t y 5. H e a t C o n d u c t i o n 6. C o n d u c t i o n o f E l e c t r i c i t y \end{matrix}

Q. Some properties are listed in the following Table. Distinguish between metals and non-metals on the basis of these properties.

Properties	Metals	Non-metals
1. Appearance
2. Hardness
3. Malleability
4. Ductility
5. Heat Conduction
6. Conduction of Electricity

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a) 4 Marks b) 1 Mark (a) (i) Goods conductors of heat. (ii) Brittle (iii) Form negative ions (iv) Form basic oxides (b) 1. Metals usually have 1, 2 or 3 valence electrons 2. Non - metals usually have 5, 6 or 7 valence electrons.

a) 4 Marks
b) 1 Mark

(a) (i) Goods conductors of heat.
(ii) Brittle
(iii) Form negative ions
(iv) Form basic oxides

(b) 1. Metals usually have 1, 2 or 3 valence electrons
2. Non - metals usually have 5, 6 or 7 valence electrons.