Valency Jump with Froggy

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Valency basics quiz

Nayab Zahra

Pakistan

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Valency Jump with Froggy


Froggy Jumps Valency Jump with FroggyVersion en ligne Valency basics quiz par Nayab Zahra 1 What does valency describe in chemistry? a The combining capacity of an element b The color of an element c The temperature at which it melts 2 Which particle mainly determines an element's valency? a Protons b Outermost electrons c Neutrons 3 Hydrogen typically has a valency of? a 1 b 0 c 2 4 Oxygen commonly shows valency of? a 2 b 1 c 3 5 Chlorine most often has valency of? a 2 b 3 c 1 6 Which element has valency 4 in many compounds? a Sodium b Helium c Carbon 7 Valency changes when forming ions because? a Nuclear decay occurs b Electrons are gained or lost c Atoms split into protons and neutrons 8 Which statement about valency is true? a It indicates how many bonds an atom can form b It is always 8 c It equals atomic number 9 In H2O, the valency of hydrogen is? a 1 b 2 c 0 10 Which bond type often determines valency in organic molecules? a Covalent bonds b Metallic bonds c Ionic bonds