Answer:
1. An ancient study or art which attempted to combine science and philosophy to solve worldly problems Alchemy
2. A homogeneous mixture of elements with metals to form metallic solids Alloy.
3. The simplest unit of an element that still retains the properties of that element compound Atom
4. Two or more elements joined together such that the elements have lost their individual identity Compound
5. A primary substance that cannot be divided into separate substances element Element.
6. The group of elements that are good conductors of electricity and heat Metals
7 . The group of elements that are poor conductors of electricity and heat Non metal
Explanation:
3+3+6=12 is the three numbers adding up to 12
<span>The organizational characteristics of the periodic table of the elements are within a system where all known elements are classified. They are placed from left to right and top to bottom in increasing order of their atomic numbers. The elements are arranged in seven horizontal rows called periods, and in 18 vertical columns called groups or families. Down and to the left increases the atomic radius and the ionic radius. Upwards and to the right increases ionization energy, electron affinity and electronegativity.</span>
Answer:
Ice carving. It's still ice, it's not water, and it changes shape while not changing it's matter
Explanation:
A reaction in which one reactant undergoes oxidation whereas the other gets reduced during the course of reaction are termed as oxidation-reduction reactions or redox reactions