Atomic Structure and Periodic table quiz
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charge on the proton
the neutral particle in an atom
atomic number 11 and sizzles well on water
argon, very unreactive due to its electron structure
Mass of atom with 12 electrons and 13 neutrons
The group containing the 20th element
the number of outer electrons in the element of atomic number 13
atom of mass 40 and atomic number 19, number of neutrons?
the number of outer electrons at the end of period 2 onwards?
atomic number 13
the 7th element is in this group
reactive metal with one outer electron
a physical descriptor of the group 1 reactive metals
a negative particle
this has 7 outer electrons and gives purple diatomic molecules on heating
charge on the neutron
the group number of the alkali metals
the number of neutrons in the hydrogen atom of mass 1
24
27
Across:
1 the positive particle in the nucleus of an atom
8 Manganese has a mass of 55 and atomic number 25, how many
electrons?
10 very reactive metals
11 electrons of the 19th element
12 number of neutrons in an atom of mass 9 and atomic number 5
13 horizontal row of elements using three shells
14 atoms of the same mass with different mass and neutron number
17 the centre of an atom
19 maximum electrons in 2nd shell
22 charge on the electron
23 group containing the 4th element
25 number of electrons in the atom fluorine, an halogen element in group
7
26 number of 2.7's electrons
28 green gas with seven outer electrons
29 a glowing gas and a full shell job!
30 group of the element of atomic number 5