Magnesium Which element would have a strong reaction in water? Rubidium, Calcium, Ruthenium, Polonium

Besides the noble gas, which nonmetal is least reactive in period 2? Valence Electrons Besides the noble gas, which nonmetal is least reactive in period 2?

Silicon Draw an electron dot structure for an element in the alkaline earth metal group. Use x as a symbol.

Which element has the largest ionization energy? Li, Si, S, Al 18 Which element has the largest ionization energy? Li, Si, S, Al

Who arranged the periodic table according to increasing atomic mass? X Who arranged the periodic table according to increasing atomic mass?

What is the group # of the non-reactive elements? Mendeleev What is the group # of the non-reactive elements?

How many valence electrons do most elements want to become stable? Sulfur How many valence electrons do most elements want to become stable?

What is the smallest possible atomic number that Element Y could have? Sc Element I1 I2 I3 I4 I5 X 738 1450 7730 Y 786 1580 3230 4360 16,100 Z 578 1820 2750 11,600 What is the smallest possible atomic number that Element Y could have?

1 An element has similar chemical properties to Barium and Radium. Which element could this be? Na, Ca, F, Ne

5 Who was responsible for arranging the periodic table as we know it today?

Which of the following has the lowest ionization energy? B, Si, P, O Arsenic Which of the following has the lowest ionization energy? B, Si, P, O

Which metal is least reactive in the alkaline earth metals? 8 Which metal is least reactive in the alkaline earth metals?

Carbon Draw an electron dot structure for an element with an ending electron configuration of “p2”. Use x as a symbol.

Polonium 1 2 3 4 The 4 circles represent either As3-, Zn2+, Br-1 and Se2-. Which one most likely represents the zinc ion?

Calcium Which is the largest? Find the symbol!!!! [Ne]3s23p4 [Ar]4s23d104p1 [Ar]4s23d1 1s22s22p63s23p6

What are used to make electron dot structures? Alkaline Earth Metals What are used to make electron dot structures?

In which group (name) does Element X most likely belong? Rubidium Element I1 I2 I3 I4 I5 X 738 1450 7730 Y 786 1580 3230 4360 16,100 Z 578 1820 2750 11,600 In which group (name) does Element X most likely belong?

Oxygen Scientists discovered a new element with an atomic number of 120 and a mass number of 303. Which element would this be most similar to? Na, Mg, F, Ne

Beryllium Which element would most likely form an ion with a -2 charge? Rubidium, Calcium, Ruthenium, Polonium

Moseley 1 2 3 4 The 4 circles represent different ions or atoms. If #3 represents Br, which could represent As-3?

How many valence electrons in P? 6 How many valence electrons in P?

Which element is found in period 4, group 15?

Which of the following is the largest atom? B, Si, P, O X Which of the following is the largest atom? B, Si, P, O

Which of the following has the highest electronegativity? B, Si, P, O Boron Which of the following has the highest electronegativity? B, Si, P, O