1) Most elements in the periodic table belong to which group? a) metals b) nonmetals c) metalloids 2) Metals are most chemically reactive because they.... a) have a full outer shell of electrons b) have 1 electron in their outer shell c) store water in their shells d) are brittle 3) Which of the following is a property of alkali metals? a) they are brittle b) they are stored in water c) they are very reactive 4) Metalloids are also known as.... a) transition metals  b) alkali metals c) semi-conductors d) nobel gases 5) Which group of elements have 4 electrons in their outer shell? a) Group 1 b) Group 5 c) Group 7 d) Group 4 6) How many periods are found in the periodic table? a) 7 b) 9 c) 18 d) 118 7) How many groups are found in the periodic table? a) 7 b) 9 c) 18 d) 118 8) How many elements are found in the periodic table? a) 7 b) 9 c) 18 d) 118 9) Elements on the left side of the periodic table are... a) metals b) nonmetals c) metalloids 10) Elements on the right side of the periodic table are..... a) metals b) nonmetals c) metalloids 11) Group 18 is also known as the.... a) Alkaline Earth Metals b) transition metals c) metalloids d) noble gases 12) Elements in groups 3-12 are called.... a) noble gases b) transition metals c) alkali metals d) halogens 13) Which 2 element below will bond together to produce salt? a) carbon and oxygen b) chlorine and sodium c) argon and silver d) oxygen and hydrogen 14) How many electrons does this element contain? a) 12 b) 1 c) 8 d) 118 15) How many valence electrons (outer shell electrons) does this atom have? a) 88 b) 3 c) 5 d) 45 16) What is the atomic number of this atom? a) 12 b) 5 c) 6 d) 58 17) Where are protons located? a) in the electron shells b) in the nucleus c) in the energy levels

Periodic Table

द्वारा
एम्बेड

लीडरबोर्ड

दृश्य शैली

विकल्प

टेम्पलेट स्विच करें

ऑटो-सेव पुनःस्थापित करें: ?