Elements in the same period in the periodic table have the same?
number of shells
atomic number
chemical properties
physical properties
Correct answer is A
Elements within the same group have the same number of electrons in their valence (outermost) shells, and they have similar electron configurations. They exhibit similar chemical properties.
But elements in the same period can determined by the same number of shells.
The Alaafin of Oyo was remarkable assisted usually by _______
Balogun
Bashorun
Aremo
Oyomesi
Correct answer is C
The Aremo who is the Crown prince, usually the oldest son of the Alaafin assists his father. He is a crown prince who can never succeed the Alaafin after his demise.
At the bight of Benin, the ethnic group that occupied the interland include __________
Edo, Yoruba, Urhobo
Itsekiri, Igbo, and Idoma
Yoruba, The jukun, The Efik
The Ibibio, Igbo, Tiv
Correct answer is A
The Benin empire comprises The Edo, The Yoruba and The Urhobo.
At Independence, which of the following national resources is the main stay of the Nigerian economy?
Coal
Cocoa
Crude oil
Groundnut
Correct answer is C
The discovery of Oil in Oloibiri, Bayelsa state in 1956 made a quick U turn on the Economic sustainability from what it used to be to crude oil.
The maximum number of electrons in the L shell of an atom is?
2
8
18
32
Correct answer is B
The maximum number of electrons present in a particular shell is calculated by the formula 2n2, where “n” represents the shell number. For instance, K shell is the first shell and it can hold up to 2(1)2 = 2 electrons. Similarly, L shell is the second shell and it can hold up to 2(2)2 = 8 electrons.