Atomic Structure, chemical bonding and Crystal Structure Crossword

Smallest particle of a substance
Subatomic particle positively charged
What happens when two protons or two electrons are placed closed to each other?
The electron present in the outermost shell of an atom is known as?
The atom that losses or gains an electron is known as
The process by which the force of attraction between the ions of atoms makes them stick together is known as?
What is the name of the bonding which occurs when the sharing of valence electrons between two or more atoms
How many electrons can the first energy level hold?
A positively charged ion is known as a
The atomic number of an element is determined by the amount of protons and
A horizontal row of the periodic table is called?
Elements with same number of valence electrons are located in the periodic table in the same?
The columns of the periodic table are also known as
The mass of an individual atom is known as
The property of some chemical elements to exist in two or more different forms is know as
Chemical element that can have more than one form
Van der Waals forces are also known as
The difference between attractive and repulsive force is known as
The bond length is the sum of two
The melting point of strongly bonded materials is
The ordered arrangement of atoms in a crystalline materials is known as
Name of the crystal structure which closed packed direction are cube diagonal
Relationship between volume of atoms in unit cell and volume of unit cell
Unit cell with an Atomic Packing Factor of 0.74
3D lattice of imaginary lines that connect atoms is known as
The science that examines the arrangements of atoms in solids is known as
Name of the crystal structure that has 4 atoms in its unit cell
Fraction of spaced occupied by atoms
The smallest unit that has the total symmetry of a crystal is known as
The density of the polymers is __________ than metals and ceramics