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