subject
Chemistry, 18.02.2021 09:20 gracetay6873

What is an atomic number? An atomic mass? Give the number of protons, electrons and neutrons in one atom of Carbon.

What are groups on the periodic table? How many are there?

What is significant about elements in a group?

What are periods on the periodic table? How many are there?

When are atoms considered to be stable?

Looking at the Periodic Table, how can you determine if an element is a metal, metalloid or nonmetal?

What state of matter are most metals when at room temperature?

What group are the alkali metals? Why are they never found uncombined in nature?

How many valence electrons do alkaline earth metals have?

Where are the transition metals located on the periodic table?

What are metalloids? Where are they located on the periodic table?

What group are the halogens? How many valence electrons do the halogens have? Explain why the halogens are so reactive.

What group are the noble gases? Why are they considered inactive?

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 21.06.2019 20:00
Drag each number to the correct location on the equation. each number can be used more than once, but not all numbers will be used. balance the equation with the coefficients. 2 3 4 5 kclo3 -> kcl + o2
Answers: 1
question
Chemistry, 22.06.2019 05:00
Cucl2 + 2nano3 cu(no3)2 + 2nacl what is the percent yield of nacl if 31.0 g of cucl2 reacts with excess nano3 to produce 21.2 g of nacl? 49.7% 58.4% 63.6% 78.7%
Answers: 1
question
Chemistry, 22.06.2019 13:30
Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering
Answers: 1
question
Chemistry, 22.06.2019 18:00
Find the mass, in grams, of 5.00*10^23 molecules of f2
Answers: 3
You know the right answer?
What is an atomic number? An atomic mass? Give the number of protons, electrons and neutrons in one...
Questions
question
Mathematics, 16.10.2019 16:20
Questions on the website: 13722361