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