periodic table

Question 1

Which property of elements increases across a period of the Periodic Table?

Accepted Answer

metallic characterB

Question 2

compuns of halgens ends with "ate"

Accepted Answer

no

Question 3

non metals are mostly liquids and on left side of table

Accepted Answer

no

Question 4

isotopes are atoms having same proton number

Accepted Answer

yes

Question 5

you dont like chemistry

Accepted Answer

disagree

Question 6

i have no idea what iam doing in chemistry

Accepted Answer

disagree

Question 7

atom gains protons to form anion

Accepted Answer

no

Question 8

valency can be -5

Accepted Answer

no

Question 9

i am going to get 80% in midterm chemistry paper

Accepted Answer

agree

Question 10

chemistry is fun with experiments

Accepted Answer

agree

Question 11

metals form cations

Accepted Answer

agree

Question 12

anions are negative

Accepted Answer

agree

Question 13

my chemistry concepts are as bad as my PE shoes

Accepted Answer

disagree

Question 14

your teacher is not teaching chemistry well

Accepted Answer

disagree

Question 15

noble gases are used in plasma screens

Accepted Answer

yes

Question 16

periods means number of electrons in outer shell

Accepted Answer

disagree

Question 17

reactivity of metals decreases down the group

Accepted Answer

no

Question 18

valence electrons are electrons in inner shells

Accepted Answer

disagree

Question 19

.Which element forms a coloured oxide? sodium copper chlorine

Accepted Answer

copper

Question 20

which halogen is a brown colour gas

Accepted Answer

bromine

Questions 20