Register

Identify the period or group number described for the following case: a) contains elements C, N and O b) start with helium c) Contains the alkali metals d) end with neon

Identify the period or group number described for the following case: a) contains elements C, N and O b) start with helium c) Contains the alkali metals d) end with neon
156k views
0 votes
Identify the period or group number described for the following case:

a) contains elements C, N and O

b) start with helium

c) Contains the alkali metals

d) end with neon

User Parthi
by
8.6k points

1 Answer

4 votes
a) Period 2.
b) Group 18.
c) Group 1.
d) Period 2.
User Jesse Bakker
by
8.1k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

Compare and contrast an electric generator and a battery??
As an object’s temperature increases, the ____________________ at which it radiates energy increases.
Why is gold preferred as a superior metal over silver and bronze?
Link Copied!