A) It is composed of protons and electrons B) It is composed of protons only C) It is composed of electrons and neutrons D) It is composed of protons and neutrons
A) - B) + C) 0
A) have an equal number of electrons and protons. B) have an equal number of charged and noncharged particles. C) have neutrons in their nuclei. D) have an equal number of neutrons and protons.
A) breaking a pencil B) burning wood C) digesting food D) cooking eggs
A) Discovery Date B) Atomic Mass C) Atomic Number D) Alphabetical Order
A) Valence Electrons B) Protons C) Protons and Neutrons D) Neutrons
A) density B) shape C) pH D) color
A) a total of eight neutrons and electrons. B) a total of eight protons and neutrons. C) eight neutrons in its nucleus. D) eight protons in its nucleus.
A) neutrons. B) protons. C) protons plus the number of electrons. D) protons plus the number of neutrons.
A) They form negative ions with a -1 charge. B) They are located in the left-most column of the periodic table. C) They are extremely nonreactive. D) They are usually gases.
A) They are extremely rare in nature. B) a basically nonreactive. C) They form compounds with very bright colors. D) They are highly reactive with both metals and nonmetals.
A) are nonreactive B) have only 1 valence electron C) exist in all three states of matter in normal conditions D) are all metals
A) On the left-most side. B) In the middle column of the periodic table. C) On the right side. D) In the bottom rows.
A) color; smell B) location; ionization C) mass;number D) number; mass
A) 8 neutrons B) 3 neutrons C) 12 neutrons D) 6 neutrons
A) Alkaline Earth B) Noble Gases C) Halogens D) Alkali Metals
A) Noble Gases B) Akali C) Halogens D) Alkaline Earth
A) Noble Gases B) Halogens C) Alkali D) Alkaline Earth
A) Noble Gases B) Alkali C) Alkaline Earth D) Halogens
A) 4 B) 2 C) 3 D) 5
A) metalloids B) metals C) nonmetals
A) Ms. Watson B) Mendleev C) Einstein D) Mosely
A) alphabetically B) by date discovered C) According to atomic mass D) according to atomic number
A) Atomic Number-Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number D) Atomic Mass
A) Atomic Number-Atomic mass B) Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Number
A) protons B) electrons C) nucleus D) neutrons
A) flammability B) reactivity C) pH D) color
A) adding dye B) breaking C) crushing D) burning
A) can be observed with senses B) can only be observed by changing the substance C) vary within the same element D) only can be seen in a few elements
A) cn only be observed by changing the substance B) can be observes with the senses C) vary within the same element D) only can be observed in a few elements
A) physical B) chemical
A) chemical B) physical
A) it will float B) not enough information C) it will sink
A) hours B) kilograms C) grams D) meters
A) both accurate and precise B) precise C) accurate D) nethier accurate or precise
A) 1/100 B) 100 C) 1/1,000 D) 1,000
A) dependent B) control C) independent D) constant
A) growth B) length of study C) strawberries D) fertilizer
A) independent B) constant C) dependent D) control
A) tongs B) beaker C) graduated cylinder D) stirring rod
A) 10 B) 16 C) 0 D) 13
A) 18 B) 17 C) 35 D) 19
A) 14 B) 26 C) 12 D) 10
A) 2 B) 18 C) 8 D) 10
A) 0.57 amu B) 57 amu C) 115 amu D) 5.7 amu
A) 1 B) 4 C) 3 D) 2
A) Rutherford B) Thomson C) Dalton D) Bohr
A) Chadwick B) Democritus C) Thomson D) Rutherford
A) Bohr B) Shrodinger and Heisenburg C) Thomson D) Rutherford
A) Bohr B) Thomson C) Rutherford D) Dalton
A) All matter is made of atoms. B) Atoms of the same element are exactly alike. C) Atoms combine to form compounds in simple whole number ratios.
A) Chadwick B) Rutherford C) Bohr D) Dalton
A) The mass of protons and neutrons are much smaller than the mass of the electron. B) Electrons are positively charged. C) Electron number never changes. D) The mass of electrons is much smaller than the mass of protons and neutrons.
A) larger mass B) smaller mass C) negative charge D) positive charge
A) positrons B) neutrons C) protons D) electrons
A) 3g/ml B) 0.33g/ml C) 1.33g/ml D) 72g/ml
A) 17.5g B) 0.094g C) 10.7g D) 24g |