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