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Periodic table questions?
1.the name of the element found in period 6, family 4 is ____ 2. how many neutrons does the element found in period 6, family 2 have_____ 3. the element found in period 3 family 2 has ____ electrons total 4. the element found in period 3 family 2 has ____ valence electrons 5. the name of the element found in family 6 period 7____ 6. the element found in family 10 period 5 has ____ neutrons 7. name the alkali metal with 48 neutrons 8. what are elements #89-103 called? 9. which metal group does Pb belong to? 10. name the nonmetal with 74 neutrons 11. what is the formal name for family 18.Science Periodic table question!?
For each substance below, name the elements and indicate the number of each kind of atom present in one formula unit. I don't udnerstand this, please help me!? I didn't know there were different kinds of atoms, and i think this question is given to mess people up.Memorizing the Periodic table question?
Ok. I will be taking Chemistry and Biology in the Fall semester in college. I would like to know what I need to memorize about the periodic table.Periodic table science question ?!?
k i have to answer these two questions : 1. What element is located in the metallic area of the periodic table, but has mainly nonmetallic properties? and 2. how many electrons are found in each of the first three orbits for the first twenty elmentsPeriodic table questions?
Hey I am a 13 year old boy and i like chemistry. Some things on the periodic table have been left unattended to in class and so i was wondering if you could help me. 1. What makes the transition metals different and how can you tell how many electrons they have in their outer shell? 2.How can the mass no. not be an integer? 3.We have been told that there are only 20 electron shells at GSCE level ,2 ,8 ,8 ,2. What are the other electron shell configurements with elements with an atomic no. of over 20 please address the questions in order like that. Many thank.
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