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