Honors Chemistry Semester 1 Exam Review
... 3. Isotopes are atoms of the same element, which have the same number of (protons / neutrons) but a different number (protons / neutrons). 4. How do isotopes C-12 and C-14 differ from each other? ________________________________________________ How are they similar? _________________________________ ...
... 3. Isotopes are atoms of the same element, which have the same number of (protons / neutrons) but a different number (protons / neutrons). 4. How do isotopes C-12 and C-14 differ from each other? ________________________________________________ How are they similar? _________________________________ ...
Semester 1 Exam Review Part 1
... 10. Vertical column in the Periodic Table. 11. Elements in the same family have similar ___. 12. Horizontal row on the Periodic Table. 13. Elements on the right side of the Periodic Table. ...
... 10. Vertical column in the Periodic Table. 11. Elements in the same family have similar ___. 12. Horizontal row on the Periodic Table. 13. Elements on the right side of the Periodic Table. ...
Chapter 4: The Structure of the Atom &
... o Above the band of stability – too many _____________; Below the band of stability – too many _______________ or too few ______________ o BETA DECAY: For elements above the band of stability (too many neutrons) A NEUTRON will decay into a PROTON (stays in the nucleus) and an ELECTRON (leaves the ...
... o Above the band of stability – too many _____________; Below the band of stability – too many _______________ or too few ______________ o BETA DECAY: For elements above the band of stability (too many neutrons) A NEUTRON will decay into a PROTON (stays in the nucleus) and an ELECTRON (leaves the ...
Atomic Structure PPT Notes Sheet
... 32. A _______________ is a substance that is made up of different elements. The atoms of the elements are joined together by _________________. Bonds are chemical connections between atoms. 33. There are two basic types of bonds: ____________________ and ______________________. The reason that bonds ...
... 32. A _______________ is a substance that is made up of different elements. The atoms of the elements are joined together by _________________. Bonds are chemical connections between atoms. 33. There are two basic types of bonds: ____________________ and ______________________. The reason that bonds ...
File
... PATTERNS IN THE PERIODIC TABLE 1. Atomic numbers increase by ONE . 2. Atomic MASS tends to increase along with the atomic number, with some EXCEPTIONS. ...
... PATTERNS IN THE PERIODIC TABLE 1. Atomic numbers increase by ONE . 2. Atomic MASS tends to increase along with the atomic number, with some EXCEPTIONS. ...
2 ppt
... The number of protons in an atom determines the element # of protons = atomic number this also tells you # of electrons ...
... The number of protons in an atom determines the element # of protons = atomic number this also tells you # of electrons ...
CHAPTER 18 NOTES
... • Area around the nucleus of an atom where its electrons are most likely found • Farther an electron is from the nucleus, the more energy • Electrons with lower amount of energy are in the first level • 1st – 2 electrons 2nd – 8 electrons 3rd – 18 electrons 4th – 32 electrons ...
... • Area around the nucleus of an atom where its electrons are most likely found • Farther an electron is from the nucleus, the more energy • Electrons with lower amount of energy are in the first level • 1st – 2 electrons 2nd – 8 electrons 3rd – 18 electrons 4th – 32 electrons ...
Chapter 2 Lect. 1
... 1. Becquerel (1896) discovered that uranium produced an image on photographic film in the absence of light 2. This spontaneous emission of radiation was called radioactivity 3. Three types of radioactive emission were eventually discovered a. Gamma rays (g) = high energy light wave b. Beta particles ...
... 1. Becquerel (1896) discovered that uranium produced an image on photographic film in the absence of light 2. This spontaneous emission of radiation was called radioactivity 3. Three types of radioactive emission were eventually discovered a. Gamma rays (g) = high energy light wave b. Beta particles ...
CHEM 1301 FALL 2003 TEST 1 VERSION 1 NO CHEATING
... Atoms contain the same number of protons and neutrons. The mass of an atom in amu is approximated as the number of protons plus the number of neutrons present in the nucleus. Atoms can be split into a nucleus and the electrons, but usually the electrons are stuck in the nucleus. Different isotopes o ...
... Atoms contain the same number of protons and neutrons. The mass of an atom in amu is approximated as the number of protons plus the number of neutrons present in the nucleus. Atoms can be split into a nucleus and the electrons, but usually the electrons are stuck in the nucleus. Different isotopes o ...
The Periodic Table of Elements
... – Because the bulk of the atoms mass is provided by the protons and neutrons, we only consider their masses when calculating the atomic mass #. ...
... – Because the bulk of the atoms mass is provided by the protons and neutrons, we only consider their masses when calculating the atomic mass #. ...
Biochemistry Introduction day 1
... Isotopes: Atoms of an element that have the same number of protons but a different number of neutrons. Ex: Oxygen usually has 8 neutrons but 9 and 10 neutrons can be found in some oxygen atoms. Some isotopes are unstable in the nucleus which makes it more likely to decay and release energy. This i ...
... Isotopes: Atoms of an element that have the same number of protons but a different number of neutrons. Ex: Oxygen usually has 8 neutrons but 9 and 10 neutrons can be found in some oxygen atoms. Some isotopes are unstable in the nucleus which makes it more likely to decay and release energy. This i ...
Atomic Structure
... •All atoms of an element are considered an isotope, only some are more common than others. •Atomic mass is the ______________________ of all isotopes of the element. •Even though isotopes have different amounts of neutrons they are still chemically alike since they have the same number of protons an ...
... •All atoms of an element are considered an isotope, only some are more common than others. •Atomic mass is the ______________________ of all isotopes of the element. •Even though isotopes have different amounts of neutrons they are still chemically alike since they have the same number of protons an ...
File - Mrs. Riggs Online
... losing electrons will cause an atom’s charge to be unbalanced: -ion: atom that has an electrical charge because of losing or gaining electrons -anions are (-) ions -cations are (+) ions ● Mass number: total number of protons + ne ...
... losing electrons will cause an atom’s charge to be unbalanced: -ion: atom that has an electrical charge because of losing or gaining electrons -anions are (-) ions -cations are (+) ions ● Mass number: total number of protons + ne ...
Measurement of the half-life of
... the AVF cyclotron at Research Center for Nuclear Physics, Osaka University. The cyclotron was operated at an α-particle energy of 40 MeV. The Ti target was placed in close contact with an aluminium degrader to adjust the alpha-particle energy to 30 MeV in the middle of target. After the 30 min irrad ...
... the AVF cyclotron at Research Center for Nuclear Physics, Osaka University. The cyclotron was operated at an α-particle energy of 40 MeV. The Ti target was placed in close contact with an aluminium degrader to adjust the alpha-particle energy to 30 MeV in the middle of target. After the 30 min irrad ...
![Atomic Structure [PowerPoint]](http://s1.studyres.com/store/data/000122096_1-1d100da6540d2f26db122fc51f672fe5-300x300.png)
John Dalton William Crookes J.J. Thomson Ernest Rutherford
... -Element – matter made of atoms of only one kind (periodic table of elements) ...
... -Element – matter made of atoms of only one kind (periodic table of elements) ...
Note taker: ATOMS AND THE PERIODIC TABLE
... •Atoms are composed of a positively charged nucleus surrounded by an electron cloud. –________________ (99% of atom’s mass): uncharged neutrons and positively charged protons. –______________________________: negatively charged electrons in constant motion creating a ...
... •Atoms are composed of a positively charged nucleus surrounded by an electron cloud. –________________ (99% of atom’s mass): uncharged neutrons and positively charged protons. –______________________________: negatively charged electrons in constant motion creating a ...
C1.1 The fundamental ideas in chemistry
... oxygen. Candidates are not required to know of trends within each group in the periodic table, but should be aware of similarities between the elements within a group. The elements in Group 0 of the periodic table are called the noble gases. They are unreactive because their atoms have stable arrang ...
... oxygen. Candidates are not required to know of trends within each group in the periodic table, but should be aware of similarities between the elements within a group. The elements in Group 0 of the periodic table are called the noble gases. They are unreactive because their atoms have stable arrang ...
What is the history of chemistry and elements
... 3. How are ions formed from atoms? History 2400 year ago Greek philosophers proposed that everything was made of four basic substances – air, water, fire, and earth. Today chemists know that there are 100+ basic substances, or elements. Everything on Earth is made of these elements or combinat ...
... 3. How are ions formed from atoms? History 2400 year ago Greek philosophers proposed that everything was made of four basic substances – air, water, fire, and earth. Today chemists know that there are 100+ basic substances, or elements. Everything on Earth is made of these elements or combinat ...
Chap 7: Around the Room Review
... 1. The central part of an atom is called the _____ 2. A proton has a _____ charge. 3. The atomic number tells us __________. 4. Nitrogen’s atomic number is 7. An isotope of nitrogen containing 7 neutrons would be nitrogen_____. 5. How does the size of a negative ion compare to the size of the atom t ...
... 1. The central part of an atom is called the _____ 2. A proton has a _____ charge. 3. The atomic number tells us __________. 4. Nitrogen’s atomic number is 7. An isotope of nitrogen containing 7 neutrons would be nitrogen_____. 5. How does the size of a negative ion compare to the size of the atom t ...
Atom Building blocks of matter Proton Sub
... Compound which increases hydroxide ions (OH-) when dissolved in H2O ...
... Compound which increases hydroxide ions (OH-) when dissolved in H2O ...
Understanding Atomic Structure of an Element
... • Electron Shells/Orbitals – An electron has only 1/1837th the mass of an proton or neutron – Electrons move around on specific patterns outside of the nucleus (the majority of the empty space in an atom) ...
... • Electron Shells/Orbitals – An electron has only 1/1837th the mass of an proton or neutron – Electrons move around on specific patterns outside of the nucleus (the majority of the empty space in an atom) ...
File - Mr. Gittermann
... • The sum of the number of protons and neutrons in an atom; expressed in atomic mass units (amu) where a proton and neutron both have a mass of 1 amu; electrons (1/1840 amu) are ignored; averaged among isotopes ...
... • The sum of the number of protons and neutrons in an atom; expressed in atomic mass units (amu) where a proton and neutron both have a mass of 1 amu; electrons (1/1840 amu) are ignored; averaged among isotopes ...