A) It is composed of protons and electrons B) It is composed of protons only C) It is composed of protons and neutrons D) It is composed of electrons and neutrons
A) + B) 0 C) -
A) have an equal number of neutrons and protons. B) have an equal number of charged and noncharged particles. C) have an equal number of electrons and protons. D) have neutrons in their nuclei.
A) burning wood B) breaking a pencil C) digesting food D) cooking eggs
A) Atomic Number B) Atomic Mass C) Discovery Date D) Alphabetical Order
A) Neutrons B) Valence Electrons C) Protons and Neutrons D) Protons
A) color B) pH C) density D) shape
A) eight protons in its nucleus. B) a total of eight neutrons and electrons. C) a total of eight protons and neutrons. D) eight neutrons 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 usually gases. D) They are extremely nonreactive.
A) They are highly reactive with both metals and nonmetals. B) They are extremely rare in nature. C) a basically nonreactive. D) They form compounds with very bright colors.
A) have only 1 valence electron B) are all metals C) are nonreactive D) exist in all three states of matter in normal conditions
A) On the right side. B) In the bottom rows. C) In the middle column of the periodic table. D) On the left-most side.
A) color; smell B) location; ionization C) number; mass D) mass;number
A) 6 neutrons B) 8 neutrons C) 12 neutrons D) 3 neutrons
A) Noble Gases B) Alkaline Earth C) Halogens D) Alkali Metals
A) Noble Gases B) Alkaline Earth C) Halogens D) Akali
A) Halogens B) Alkali C) Alkaline Earth D) Noble Gases
A) Alkaline Earth B) Noble Gases C) Halogens D) Alkali
A) 5 B) 3 C) 2 D) 4
A) nonmetals B) metalloids C) metals
A) Ms. Watson B) Einstein C) Mendleev D) Mosely
A) according to atomic number B) According to atomic mass C) by date discovered D) alphabetically
A) Atomic Number B) Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Number-Atomic Mass
A) Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number D) Atomic Number-Atomic mass
A) nucleus B) electrons C) protons D) neutrons
A) pH B) flammability C) reactivity D) color
A) adding dye B) breaking C) crushing D) burning
A) only can be seen in a few elements B) can only be observed by changing the substance C) can be observed with senses D) vary within the same element
A) can be observes with the senses B) only can be observed in a few elements C) cn only be observed by changing the substance D) vary within the same element
A) physical B) chemical
A) physical B) chemical
A) not enough information B) it will float C) it will sink
A) grams B) hours C) kilograms D) meters
A) nethier accurate or precise B) precise C) both accurate and precise D) accurate
A) 1,000 B) 100 C) 1/100 D) 1/1,000
A) independent B) control C) constant D) dependent
A) fertilizer B) length of study C) growth D) strawberries
A) control B) independent C) dependent D) constant
A) beaker B) stirring rod C) tongs D) graduated cylinder
A) 13 B) 0 C) 16 D) 10
A) 19 B) 18 C) 17 D) 35
A) 26 B) 10 C) 14 D) 12
A) 8 B) 18 C) 10 D) 2
A) 115 amu B) 5.7 amu C) 0.57 amu D) 57 amu
A) 4 B) 3 C) 2 D) 1
A) Bohr B) Dalton C) Rutherford D) Thomson
A) Rutherford B) Chadwick C) Democritus D) Thomson
A) Thomson B) Shrodinger and Heisenburg C) Rutherford D) Bohr
A) Bohr B) Thomson C) Dalton D) Rutherford
A) Atoms of the same element are exactly alike. B) All matter is made of atoms. C) Atoms combine to form compounds in simple whole number ratios.
A) Chadwick B) Bohr C) Dalton D) Rutherford
A) Electrons are positively charged. B) The mass of protons and neutrons are much smaller than the mass of the electron. 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) positive charge D) negative charge
A) electrons B) protons C) positrons D) neutrons
A) 0.33g/ml B) 72g/ml C) 1.33g/ml D) 3g/ml
A) 17.5g B) 0.094g C) 24g D) 10.7g |