Elements02
... 2. Each element has its own kind of atom. Atoms of the same element have the same mass. Atoms of different elements have different masses. 3. Compounds are created when atoms of different elements link to form compound atoms. Water is a compound because the two element of hydrogen and oxygen combine ...
... 2. Each element has its own kind of atom. Atoms of the same element have the same mass. Atoms of different elements have different masses. 3. Compounds are created when atoms of different elements link to form compound atoms. Water is a compound because the two element of hydrogen and oxygen combine ...
Science notes on Atoms, Periodic table
... Basically includes all the elements along the staircase at 13 (boron, silicon, germanium, arsenic, antimony, tellurium & astatine) They have both metal & non-metal properties Sometimes good conductors of electricity ...
... Basically includes all the elements along the staircase at 13 (boron, silicon, germanium, arsenic, antimony, tellurium & astatine) They have both metal & non-metal properties Sometimes good conductors of electricity ...
Earth`s Chemistry
... All matter is made up of elements. Element = any substance that can’t break down any further (Ex. oxygen, iron, nitrogen, etc.). Periodic table --- made up of elements. Universal symbol for elements --- consists of either one letter or two (Note how it’s written) Over 90 elements occur naturally; ot ...
... All matter is made up of elements. Element = any substance that can’t break down any further (Ex. oxygen, iron, nitrogen, etc.). Periodic table --- made up of elements. Universal symbol for elements --- consists of either one letter or two (Note how it’s written) Over 90 elements occur naturally; ot ...
2.9 Use the helium-4 isotope to define atomic number and mass
... 2.34 Give two examples of each of the following: (a) a diatomic molecule containing atoms of the same element, (b) a diatomic molecule containing atoms of different elements, (c) polyatomic molecule containing atoms of the same element, (d) a polyatomic molecule containing atoms of different element ...
... 2.34 Give two examples of each of the following: (a) a diatomic molecule containing atoms of the same element, (b) a diatomic molecule containing atoms of different elements, (c) polyatomic molecule containing atoms of the same element, (d) a polyatomic molecule containing atoms of different element ...
Study Guide Answers
... 21. A mixture is created when two pure substances are combined so that each of the pure substances retains its own properties. 22. Where is the majority of the mass of an atom located? In the nucleus. 23. If an atom loses electron’s, will it have a positive or negative charge? Explain. Positive char ...
... 21. A mixture is created when two pure substances are combined so that each of the pure substances retains its own properties. 22. Where is the majority of the mass of an atom located? In the nucleus. 23. If an atom loses electron’s, will it have a positive or negative charge? Explain. Positive char ...
Chapter 2
... 1. Distinguish between an element and a compound. 2. Identify the four elements that make up 96% of living matter. 3. Define the term trace element and give an example. Atoms and Molecules 4. Draw and label a simplified model of an atom. Explain how this model simplifies our understanding of atomic ...
... 1. Distinguish between an element and a compound. 2. Identify the four elements that make up 96% of living matter. 3. Define the term trace element and give an example. Atoms and Molecules 4. Draw and label a simplified model of an atom. Explain how this model simplifies our understanding of atomic ...
Ch. 5 Outline Notes
... b. Law of definite ____________________ = elements within a compound are always in certain proportions by __________ Ex: NaCl (table salt) is always 39% ______ and 61% ______. ...
... b. Law of definite ____________________ = elements within a compound are always in certain proportions by __________ Ex: NaCl (table salt) is always 39% ______ and 61% ______. ...
Structure of the Atom
... • The mass number is the total number of protons and neutrons in the nucleus. • Atoms can have different numbers of neutrons. • Atoms that have different numbers of neutrons are called isotopes. ...
... • The mass number is the total number of protons and neutrons in the nucleus. • Atoms can have different numbers of neutrons. • Atoms that have different numbers of neutrons are called isotopes. ...
Chapter 10 Power Point - Biloxi Public Schools
... atomic masses & discovered a repeating pattern of properties or characteristics. ***There were some gaps in masses so he placed question marks in their spots. Later, elements were discovered to fill in these gaps. His predictions about elements, their masses & properties proved to be true.*** Henry ...
... atomic masses & discovered a repeating pattern of properties or characteristics. ***There were some gaps in masses so he placed question marks in their spots. Later, elements were discovered to fill in these gaps. His predictions about elements, their masses & properties proved to be true.*** Henry ...
Chapter 3 notes
... • Orbital- or energy shell/level is a region in an atom where there is a high probability of finding electrons. • Valence electron- an electron in the outermost energy level of an atom. So in Al valence 3. ...
... • Orbital- or energy shell/level is a region in an atom where there is a high probability of finding electrons. • Valence electron- an electron in the outermost energy level of an atom. So in Al valence 3. ...
SNC1D0 Atomic History
... electrons orbiting around the nucleus. Later experiments showed that the positively charged particles, now called protons, have an equal but opposite charge to the electrons, and have a mass 1836 x greater! The neutron and the existence of isotopes were also discovered ...
... electrons orbiting around the nucleus. Later experiments showed that the positively charged particles, now called protons, have an equal but opposite charge to the electrons, and have a mass 1836 x greater! The neutron and the existence of isotopes were also discovered ...
CH 5 Periodic Law
... - Elements have similar chemical and physical properties - # of valence electrons are the same ...
... - Elements have similar chemical and physical properties - # of valence electrons are the same ...
Review 1st Qtr KEY
... c. radiation must be emitted. d. the electron must make a transition from a higher to a lower energy level. ...
... c. radiation must be emitted. d. the electron must make a transition from a higher to a lower energy level. ...
Chemistry 1 – Tollett Chapter 5 – Atomic Structure & The Periodic
... composed of protons and neutrons. • It accounts for more than 99% of an atoms mass. • The nucleus is also positively charged. ...
... composed of protons and neutrons. • It accounts for more than 99% of an atoms mass. • The nucleus is also positively charged. ...
File
... 7. Noble gases- any of the gaseous elements helium, neon, argon, krypton, xenon, and radon occupying Group 0 (18) of the periodic table. ...
... 7. Noble gases- any of the gaseous elements helium, neon, argon, krypton, xenon, and radon occupying Group 0 (18) of the periodic table. ...
ch2_objectives
... 5. Distinguish between each of the following pairs of terms: a. neutron and proton b. atomic number and mass number c. atomic weight and mass number 6. Explain how the atomic number and mass number of an atom can be used to determine the number of neutrons. 7. Explain how two isotopes of an element ...
... 5. Distinguish between each of the following pairs of terms: a. neutron and proton b. atomic number and mass number c. atomic weight and mass number 6. Explain how the atomic number and mass number of an atom can be used to determine the number of neutrons. 7. Explain how two isotopes of an element ...
2 IONS
... #1 ATOMIC SIZE – decreases across and increases down the periodic table #2 IONSLeft side of the periodic table forms positive ions. Group 1- charge of +1 (lose an electron) Group 2- charge of +2 (lose 2 electrons) Groups 3-12 (form positive ions with varying charges) Group 17-charge of -1 (gain an ...
... #1 ATOMIC SIZE – decreases across and increases down the periodic table #2 IONSLeft side of the periodic table forms positive ions. Group 1- charge of +1 (lose an electron) Group 2- charge of +2 (lose 2 electrons) Groups 3-12 (form positive ions with varying charges) Group 17-charge of -1 (gain an ...
UNIT_6___ELECTRON___CONFIGURATIONS__NOTES
... Each new shell starts with an s orbital and goes up from there. Subshells: are just a designation of which energy level and what orbital type the electrons are found in. Ex. 1s = 1st shell and spherical orbital type 3p = 3rd shell and figure 8 orbital type ...
... Each new shell starts with an s orbital and goes up from there. Subshells: are just a designation of which energy level and what orbital type the electrons are found in. Ex. 1s = 1st shell and spherical orbital type 3p = 3rd shell and figure 8 orbital type ...
Ch 11 Atoms etc GNC
... What particles make up an atom in the electron cloud model, and what electrical charges do they have? Electrons—negatively charged; protons—positively charged; neutrons—electrically neutral Section 2 The Simplest Matter A. Elements—materials that cannot be broken down into simpler materials 1. There ...
... What particles make up an atom in the electron cloud model, and what electrical charges do they have? Electrons—negatively charged; protons—positively charged; neutrons—electrically neutral Section 2 The Simplest Matter A. Elements—materials that cannot be broken down into simpler materials 1. There ...
Atoms have a structure that determines their properties.
... • Metals are found on the left side, non-metals on the right, and metalloids in between. • Chemical families are arranged in vertical groups. • The table can also display the chemical symbol, atomic number, atomic mass, ion charge, density, and other information about each element. ...
... • Metals are found on the left side, non-metals on the right, and metalloids in between. • Chemical families are arranged in vertical groups. • The table can also display the chemical symbol, atomic number, atomic mass, ion charge, density, and other information about each element. ...
File
... 20. Is sodium a metal or non-metal and list at least 3 properties of sodium? Metal; highly reactive, metal, one valence electron 21. List two Noble Gases and explain why they are unique. Neon and Argon have full valence electron levels making them very stable 22. List two Alkali Metals and explain w ...
... 20. Is sodium a metal or non-metal and list at least 3 properties of sodium? Metal; highly reactive, metal, one valence electron 21. List two Noble Gases and explain why they are unique. Neon and Argon have full valence electron levels making them very stable 22. List two Alkali Metals and explain w ...
Cycle 4 Topic 1 C1 Atomic Structure Cycle Sheet
... I can use the atomic model to describe atoms. I can calculate the numbers of protons, neutrons and electrons in an atom or ion, given its atomic number and mass number. I can represent the electronic structures of the first twenty elements of the periodic table in both forms I can visualise and repr ...
... I can use the atomic model to describe atoms. I can calculate the numbers of protons, neutrons and electrons in an atom or ion, given its atomic number and mass number. I can represent the electronic structures of the first twenty elements of the periodic table in both forms I can visualise and repr ...
Introduction to Atomic Theory
... 2. Atoms of the same element are identical. The atoms of any one element are different from those of any other element. 3. Atoms of different elements can combine with one another in single whole number ratios to form compounds. 4. Chemical reactions occur when atoms are separated, joined, or rearra ...
... 2. Atoms of the same element are identical. The atoms of any one element are different from those of any other element. 3. Atoms of different elements can combine with one another in single whole number ratios to form compounds. 4. Chemical reactions occur when atoms are separated, joined, or rearra ...