Kebab Quiz

1 - Many scientists including dimitri mendelev and henry moslev...

• mosley was first

• mendelev was able to predict future

• moslet and mendeleev both presented

• mendeleev was father of henry mosley

2 - What is the main difference betweeen mendeleev original periodic table

• mendeleev aranged by mass modern is atomic

• mendelev aranged by atomic number

• mendelev by mass, modern by nerutron

• both are same

3 - Use the data in the table to determine what elem,ents are metasl

• a and d are metals

• b c and d

• d

• a

4 - based onm periodic table which 3 atomic numbers are in smae group

• 3,11,19

• 11,12,13

• 9,15,17

• 1,3,6

5 - number of valence electrons in C is

• 1

• 2

• 8

• 7

6 - Based on bohr model, what properties

p:9
n:10

• highly reactive metal

• non reactive metal

• highly reactive nonmetal

• nonreactive non metal

8 - Data table shows four elements in same period, which statement is true regarding phosphorous

• phosphorous has a greater nuclear charge than sodium magnesium resulting in a greater ionization energy

• phosphorous has a grearter nuclear charge trhan chlorine

• phosphourous is moire metallic than sodium

• phosphorous is more metallic than chlorine

9 - following data table shows scientist who contributed to atomic theory and their atomic models

• model a

• model b

• model c

• model d

12 - What is charge of ion below
p9
n10

• -1

• +1

• 0

• +9

14 - WHat will happen to frequence of a wave if wavelength decreases

• freq. will decrease

• freq will remain unchanged

• freq will increase

• freq cannot be determined