Across
- 4. - chemical species formed by two or more atoms that share chemical bonds such that they form one unit.
- 9. - a push or pull on a mass, with both magnitude and direction (vector).
- 13. – splitting of nucleus
- 14. - Metal + Non – Metal
- 15. - a chemical link formed between atoms in molecules and molecules and ions in crystals.
- 16. - a substance that cannot be subdivided using chemical means; identified by the number of protons in its atoms.
- 17. - an ion with a negative electrical charge.
- 18. - crude oil; natural flammable hydrocarbon mixture found in geologic formations.
- 20. - an electrical charge, a conserved property of subatomic particles determining their electromagnetic interaction.
- 21. - covalent bonds formed by overlapping of outer orbitals of adjacent atoms.
- 22. - A molecule that has gained or lost one or more electrons from its neutral state and therefore possesses a negative or positive electric charge.
- 24. - chemical mass unit equal to 6.022 x 1023 molecules, atoms, or other particles
- 25. - Argon is the name for the element with atomic number 18 and is represented by the symbol Ar
- 28. - outer electron most likely to participate in bond formation or a chemical reaction. unit - a standard used for comparison in measurements
- 34. - particle in the atomic nucleus that has a mass of 1 and charge of 0
- 36. - class of fat-soluble molecules, also known as oils and fats
- 37. - chemical bond in which two electron pairs are shared between two atoms.
- 40. - X-rays are light rays with a wavelength from 0.01 to 1.0 nanometers.
- 41. - a chemical species that accepts electrons or donate protons or hydrogen ions.
- 43. - study of matter and energy and the interactions between them
- 46. - state of matter characterized by having neither a defined shape nor defined volume
- 47. - force multiplied by distance or the amount of energy needed to move a mass against a force.
- 48. – any substance that increases the rate of a reaction without itself being consumed.
Down
- 1. -It is the ability to attract electrons
- 2. – sharing of electron
- 3. – the one who arranged the periodic table elements according to their atomic mass
- 5. - Calcium is the name for the element with atomic number 20 and is represented by the symbol Ca.
- 6. - amount of matter a substance contains or property of matter that resists acceleration.
- 7. - SI unit of energy equal to the kinetic energy of a 1 kg mass moving at 1 m/s.
- 8. - emitted energy in the form of rays, waves, or particles.
- 10. – the one responsible for the entirety of chemical phenomena
- 11. - A positively charged ion.
- 12. - a precious shiny grayish-white metal, the chemical element of atomic number 47.
- 19. - SI unit of pressure equal to the force of 1 Newton per square meter.
- 23. - Oxygen is the name for the element with atomic number 8 and is represented by the symbol O
- 26. - an ion of oxygen with an oxidation state equal to 2- (e.g., iron oxide).
- 27. - energy that flows between matter samples because of a temperature difference.
- 29. - the mixture of gases that make up the Earth's atmosphere
- 30. – equal sharing of electron
- 31. - A substance that is made up of two or more chemically bonded elements.
- 32. – involves the emission of energetic particles of an atom
- 33. ¬ - He stated that mass is neither created nor destroyed
- 35. - large molecule made of rings or chains of repeated monomer subunit
- 38. - A system's ability to do work.
- 39. – the mass of a single atom of a chemical element.
- 42. - anything that has mass and occupies volume
- 44. - maximum amount of solute that may be dissolved in a specified solute
- 45. - mass per unit volume.
- 47. - the force on a mass due to the acceleration of gravity (mass multiplied by acceleration).