Question set 1 set 2 set 3 set 4 set 5 set 6 $100.00 $ 100.00 $200.00 $300.00 $400.00 $500.00
One property of most nonmetals is that they are What is poor conductors of electric current? Back to you Alex
The magic number of electrons in chemistry is What is 8? Back to you Alex
Making aluminum foil demonstrates this property of metals What is malleability? Back to you Alex
What is a group or family? On the periodic table, a column of elements is called this. What is a group or family? Back to you Alex
Alkali metals are the most reactive of all the metals because they have this many electrons in their outermost energy level. What is 1 electron? Back to you Alex
Chlorine is in Group 17. How many valence electrons does chlorine have? What is 7? Back to you Alex
What is it’s a semiconductor? These silicon is used to make computer chips. What property of metalloids makes it useful for this? What is it’s a semiconductor? Back to you Alex
Each square on the periodic table includes an element’s What are the atomic number, atomic mass, element symbol, and element name? Back to you Alex
What are elements as metals, nonmetals, and metalloids? The zigzag line on the periodic table helps you identify What are elements as metals, nonmetals, and metalloids? Back to you Alex
What is protons = 6, electrons = 6, and neutrons = 8? How many protons, neutrons, and electrons does an element with a mass number of 14 and an atomic number of 6 have? What is protons = 6, electrons = 6, and neutrons = 8? Back to you Alex
The first energy level is closest to the nucleus and can hold up to this many electrons What is 2? Back to you Alex
What is a complete set (8)? Atoms of one group of nonmetals, the noble gases, have this many electrons in their outermost energy level. What is a complete set (8)? Back to you Alex
What are transition metals? Groups 3-12 are commonly referred to as these. What are transition metals? Back to you Alex
How many elements are in the first period of the periodic table? What is 2? Back to you Alex
The second energy level can hold up this many electrons. What is 8? Back to you Alex
This element is a gas at room temperature, and its atoms have six electrons in their outer level. What is oxygen? Back to you Alex
An iron pot can cook your favorite foods on a stove because it has a high thermal ___. What is conductivity? Back to you Alex
Of the following statements, this one is true about elements: Every element occurs naturally All elements are found in their uncombined form in nature. Each element has a unique atomic number. d. All elements exist in approximately equal quantities What is C? Back to you Alex
The atomic number of Magnesium is this. What is 12? Back to you Alex
Chlorine, phosphorus, and nitrogen are all this kind of element. What is nonmetals? Back to you Alex
Atoms in Groups 2 have this many valence electrons. What is 2? Back to you Alex
Oxygen is in Group 16. How many valence electrons does oxygen have? What is 6? Back to you Alex
On the periodic table, a row of elements is called this. What is a period? Back to you Alex
This Greek philosopher gave us the name “atom.” Who is Democritus? Back to you Alex
This is the English scientist who found that atoms combine in fixed ratios to form new substances. Who is Dalton? Back to you Alex
What are protons and neutrons? The most massive subatomic particles are these. What are protons and neutrons? Back to you Alex
What is the mass number of an element? Which of the following is not found on the periodic table? The atomic number The symbol The mass number d. The atomic mass What is the mass number of an element? Back to you Alex
What are in energy levels? Electrons in atoms are organized like this. What are in energy levels? Back to you Alex
What are the protons and neutrons. The nucleus of the atom contains these subatomic particles. What are the protons and neutrons. Back to you Alex
The charge on a proton, a neutron, and an electron What is +, 0, and - ? Back to you Alex