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